Home / 3,531.92-5,297.70-1,311.18

Finding the Fourth Proportional to 3,531.92, 5,297.70 and 1,311.18

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Solution

The fourth proportional to 3,531.92, 5,297.70 and 1,311.18 is: 1,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.92 : 5,297.70 = 1,311.18 : x
  2. Step 2: Convert to fraction form
    3,531.92/5,297.70 = 1,311.18/x
  3. Step 3: Cross multiply
    3,531.92x = 5,297.70 × 1,311.18
  4. Step 4: Simplify right side
    3,531.92x = 6,946,230.86
  5. Step 5: Solve for x
    x = 6,946,230.86/3,531.92
  6. Step 6: Final answer
    x = 1,966.70

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Similar ratio
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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.