Home / 4,098.20-6,145.98-1,324.28

Finding the Fourth Proportional to 4,098.20, 6,145.98 and 1,324.28

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Solution

The fourth proportional to 4,098.20, 6,145.98 and 1,324.28 is: 1,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.20 : 6,145.98 = 1,324.28 : x
  2. Step 2: Convert to fraction form
    4,098.20/6,145.98 = 1,324.28/x
  3. Step 3: Cross multiply
    4,098.20x = 6,145.98 × 1,324.28
  4. Step 4: Simplify right side
    4,098.20x = 8,138,967.66
  5. Step 5: Solve for x
    x = 8,138,967.66/4,098.20
  6. Step 6: Final answer
    x = 1,985.99

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Double scale
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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.