Home / 2,288.80-3,433.17-557.43

Finding the Fourth Proportional to 2,288.80, 3,433.17 and 557.43

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Solution

The fourth proportional to 2,288.80, 3,433.17 and 557.43 is: 836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.80 : 3,433.17 = 557.43 : x
  2. Step 2: Convert to fraction form
    2,288.80/3,433.17 = 557.43/x
  3. Step 3: Cross multiply
    2,288.80x = 3,433.17 × 557.43
  4. Step 4: Simplify right side
    2,288.80x = 1,913,751.95
  5. Step 5: Solve for x
    x = 1,913,751.95/2,288.80
  6. Step 6: Final answer
    x = 836.14

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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.