Home / 3,742.74-5,614.37-1,402.70

Finding the Fourth Proportional to 3,742.74, 5,614.37 and 1,402.70

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Solution

The fourth proportional to 3,742.74, 5,614.37 and 1,402.70 is: 2,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.74 : 5,614.37 = 1,402.70 : x
  2. Step 2: Convert to fraction form
    3,742.74/5,614.37 = 1,402.70/x
  3. Step 3: Cross multiply
    3,742.74x = 5,614.37 × 1,402.70
  4. Step 4: Simplify right side
    3,742.74x = 7,875,276.80
  5. Step 5: Solve for x
    x = 7,875,276.80/3,742.74
  6. Step 6: Final answer
    x = 2,104.15

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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.