Home / 2,289.28-3,433.96-557.92

Finding the Fourth Proportional to 2,289.28, 3,433.96 and 557.92

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Solution

The fourth proportional to 2,289.28, 3,433.96 and 557.92 is: 836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.28 : 3,433.96 = 557.92 : x
  2. Step 2: Convert to fraction form
    2,289.28/3,433.96 = 557.92/x
  3. Step 3: Cross multiply
    2,289.28x = 3,433.96 × 557.92
  4. Step 4: Simplify right side
    2,289.28x = 1,915,874.96
  5. Step 5: Solve for x
    x = 1,915,874.96/2,289.28
  6. Step 6: Final answer
    x = 836.89

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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.