Home / 4,421.32-6,631.98-2,231.90

Finding the Fourth Proportional to 4,421.32, 6,631.98 and 2,231.90

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Solution

The fourth proportional to 4,421.32, 6,631.98 and 2,231.90 is: 3,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.32 : 6,631.98 = 2,231.90 : x
  2. Step 2: Convert to fraction form
    4,421.32/6,631.98 = 2,231.90/x
  3. Step 3: Cross multiply
    4,421.32x = 6,631.98 × 2,231.90
  4. Step 4: Simplify right side
    4,421.32x = 14,801,916.16
  5. Step 5: Solve for x
    x = 14,801,916.16/4,421.32
  6. Step 6: Final answer
    x = 3,347.85

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Similar ratio
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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.