Home / 3,658.24-5,490.60-3,347.20

Finding the Fourth Proportional to 3,658.24, 5,490.60 and 3,347.20

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Solution

The fourth proportional to 3,658.24, 5,490.60 and 3,347.20 is: 5,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.24 : 5,490.60 = 3,347.20 : x
  2. Step 2: Convert to fraction form
    3,658.24/5,490.60 = 3,347.20/x
  3. Step 3: Cross multiply
    3,658.24x = 5,490.60 × 3,347.20
  4. Step 4: Simplify right side
    3,658.24x = 18,378,136.32
  5. Step 5: Solve for x
    x = 18,378,136.32/3,658.24
  6. Step 6: Final answer
    x = 5,023.76

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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.