Home / 1,539.32-2,308.96-500.18

Finding the Fourth Proportional to 1,539.32, 2,308.96 and 500.18

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Solution

The fourth proportional to 1,539.32, 2,308.96 and 500.18 is: 750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539.32 : 2,308.96 = 500.18 : x
  2. Step 2: Convert to fraction form
    1,539.32/2,308.96 = 500.18/x
  3. Step 3: Cross multiply
    1,539.32x = 2,308.96 × 500.18
  4. Step 4: Simplify right side
    1,539.32x = 1,154,895.61
  5. Step 5: Solve for x
    x = 1,154,895.61/1,539.32
  6. Step 6: Final answer
    x = 750.26

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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.