Home / 3,060.50-4,220.40-2,499.16

Finding the Fourth Proportional to 3,060.50, 4,220.40 and 2,499.16

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Solution

The fourth proportional to 3,060.50, 4,220.40 and 2,499.16 is: 3,446.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.50 : 4,220.40 = 2,499.16 : x
  2. Step 2: Convert to fraction form
    3,060.50/4,220.40 = 2,499.16/x
  3. Step 3: Cross multiply
    3,060.50x = 4,220.40 × 2,499.16
  4. Step 4: Simplify right side
    3,060.50x = 10,547,454.86
  5. Step 5: Solve for x
    x = 10,547,454.86/3,060.50
  6. Step 6: Final answer
    x = 3,446.32

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Half scale
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Double scale
Find fourth proportional to 3,061.50, 4,221.78 and 2,500.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.