Home / 4,243.28-5,854.32-2,565.20

Finding the Fourth Proportional to 4,243.28, 5,854.32 and 2,565.20

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Solution

The fourth proportional to 4,243.28, 5,854.32 and 2,565.20 is: 3,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.28 : 5,854.32 = 2,565.20 : x
  2. Step 2: Convert to fraction form
    4,243.28/5,854.32 = 2,565.20/x
  3. Step 3: Cross multiply
    4,243.28x = 5,854.32 × 2,565.20
  4. Step 4: Simplify right side
    4,243.28x = 15,017,501.66
  5. Step 5: Solve for x
    x = 15,017,501.66/4,243.28
  6. Step 6: Final answer
    x = 3,539.13

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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.