Home / 4,379.80-6,572.22-2,431.84

Finding the Fourth Proportional to 4,379.80, 6,572.22 and 2,431.84

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Solution

The fourth proportional to 4,379.80, 6,572.22 and 2,431.84 is: 3,649.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.80 : 6,572.22 = 2,431.84 : x
  2. Step 2: Convert to fraction form
    4,379.80/6,572.22 = 2,431.84/x
  3. Step 3: Cross multiply
    4,379.80x = 6,572.22 × 2,431.84
  4. Step 4: Simplify right side
    4,379.80x = 15,982,587.48
  5. Step 5: Solve for x
    x = 15,982,587.48/4,379.80
  6. Step 6: Final answer
    x = 3,649.16

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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.