Home / 3,637.28-5,454.70-1,445.42

Finding the Fourth Proportional to 3,637.28, 5,454.70 and 1,445.42

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Solution

The fourth proportional to 3,637.28, 5,454.70 and 1,445.42 is: 2,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.28 : 5,454.70 = 1,445.42 : x
  2. Step 2: Convert to fraction form
    3,637.28/5,454.70 = 1,445.42/x
  3. Step 3: Cross multiply
    3,637.28x = 5,454.70 × 1,445.42
  4. Step 4: Simplify right side
    3,637.28x = 7,884,332.47
  5. Step 5: Solve for x
    x = 7,884,332.47/3,637.28
  6. Step 6: Final answer
    x = 2,167.65

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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.