Home / 3,988.08-5,982.12-2,038.14

Finding the Fourth Proportional to 3,988.08, 5,982.12 and 2,038.14

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Solution

The fourth proportional to 3,988.08, 5,982.12 and 2,038.14 is: 3,057.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.08 : 5,982.12 = 2,038.14 : x
  2. Step 2: Convert to fraction form
    3,988.08/5,982.12 = 2,038.14/x
  3. Step 3: Cross multiply
    3,988.08x = 5,982.12 × 2,038.14
  4. Step 4: Simplify right side
    3,988.08x = 12,192,398.06
  5. Step 5: Solve for x
    x = 12,192,398.06/3,988.08
  6. Step 6: Final answer
    x = 3,057.21

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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.