Home / 3,658.30-5,487.45-2,200.30

Finding the Fourth Proportional to 3,658.30, 5,487.45 and 2,200.30

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Solution

The fourth proportional to 3,658.30, 5,487.45 and 2,200.30 is: 3,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.30 : 5,487.45 = 2,200.30 : x
  2. Step 2: Convert to fraction form
    3,658.30/5,487.45 = 2,200.30/x
  3. Step 3: Cross multiply
    3,658.30x = 5,487.45 × 2,200.30
  4. Step 4: Simplify right side
    3,658.30x = 12,074,036.24
  5. Step 5: Solve for x
    x = 12,074,036.24/3,658.30
  6. Step 6: Final answer
    x = 3,300.45

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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.