Home / 3,658.18-5,479.35-2,271.85

Finding the Fourth Proportional to 3,658.18, 5,479.35 and 2,271.85

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Solution

The fourth proportional to 3,658.18, 5,479.35 and 2,271.85 is: 3,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.18 : 5,479.35 = 2,271.85 : x
  2. Step 2: Convert to fraction form
    3,658.18/5,479.35 = 2,271.85/x
  3. Step 3: Cross multiply
    3,658.18x = 5,479.35 × 2,271.85
  4. Step 4: Simplify right side
    3,658.18x = 12,448,261.30
  5. Step 5: Solve for x
    x = 12,448,261.30/3,658.18
  6. Step 6: Final answer
    x = 3,402.86

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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.