Home / 1,032.18-1,547.55-382.74

Finding the Fourth Proportional to 1,032.18, 1,547.55 and 382.74

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Solution

The fourth proportional to 1,032.18, 1,547.55 and 382.74 is: 573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.18 : 1,547.55 = 382.74 : x
  2. Step 2: Convert to fraction form
    1,032.18/1,547.55 = 382.74/x
  3. Step 3: Cross multiply
    1,032.18x = 1,547.55 × 382.74
  4. Step 4: Simplify right side
    1,032.18x = 592,309.29
  5. Step 5: Solve for x
    x = 592,309.29/1,032.18
  6. Step 6: Final answer
    x = 573.84

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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.