Home / 3,520.59-5,281.17-923.50

Finding the Fourth Proportional to 3,520.59, 5,281.17 and 923.50

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Solution

The fourth proportional to 3,520.59, 5,281.17 and 923.50 is: 1,385.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.59 : 5,281.17 = 923.50 : x
  2. Step 2: Convert to fraction form
    3,520.59/5,281.17 = 923.50/x
  3. Step 3: Cross multiply
    3,520.59x = 5,281.17 × 923.50
  4. Step 4: Simplify right side
    3,520.59x = 4,877,160.50
  5. Step 5: Solve for x
    x = 4,877,160.50/3,520.59
  6. Step 6: Final answer
    x = 1,385.32

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Double scale
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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.