Home / 3,119.28-4,680.93-1,244.85

Finding the Fourth Proportional to 3,119.28, 4,680.93 and 1,244.85

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Solution

The fourth proportional to 3,119.28, 4,680.93 and 1,244.85 is: 1,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.28 : 4,680.93 = 1,244.85 : x
  2. Step 2: Convert to fraction form
    3,119.28/4,680.93 = 1,244.85/x
  3. Step 3: Cross multiply
    3,119.28x = 4,680.93 × 1,244.85
  4. Step 4: Simplify right side
    3,119.28x = 5,827,054.15
  5. Step 5: Solve for x
    x = 5,827,054.15/3,119.28
  6. Step 6: Final answer
    x = 1,868.08

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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.