Home / 4,238.84-6,357.71-1,119.10

Finding the Fourth Proportional to 4,238.84, 6,357.71 and 1,119.10

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Solution

The fourth proportional to 4,238.84, 6,357.71 and 1,119.10 is: 1,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.84 : 6,357.71 = 1,119.10 : x
  2. Step 2: Convert to fraction form
    4,238.84/6,357.71 = 1,119.10/x
  3. Step 3: Cross multiply
    4,238.84x = 6,357.71 × 1,119.10
  4. Step 4: Simplify right side
    4,238.84x = 7,114,900.16
  5. Step 5: Solve for x
    x = 7,114,900.16/4,238.84
  6. Step 6: Final answer
    x = 1,678.50

Related Problems

Find fourth proportional to 2,119.42, 3,178.86 and 559.55
Half scale
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Double scale
Find fourth proportional to 4,239.84, 6,359.21 and 1,120.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.