Home / 2,247.62-3,102.78-1,742.33

Finding the Fourth Proportional to 2,247.62, 3,102.78 and 1,742.33

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Solution

The fourth proportional to 2,247.62, 3,102.78 and 1,742.33 is: 2,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.62 : 3,102.78 = 1,742.33 : x
  2. Step 2: Convert to fraction form
    2,247.62/3,102.78 = 1,742.33/x
  3. Step 3: Cross multiply
    2,247.62x = 3,102.78 × 1,742.33
  4. Step 4: Simplify right side
    2,247.62x = 5,406,051.16
  5. Step 5: Solve for x
    x = 5,406,051.16/2,247.62
  6. Step 6: Final answer
    x = 2,405.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.