Home / 3,580.61-5,379.15-2,543.14

Finding the Fourth Proportional to 3,580.61, 5,379.15 and 2,543.14

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Solution

The fourth proportional to 3,580.61, 5,379.15 and 2,543.14 is: 3,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.61 : 5,379.15 = 2,543.14 : x
  2. Step 2: Convert to fraction form
    3,580.61/5,379.15 = 2,543.14/x
  3. Step 3: Cross multiply
    3,580.61x = 5,379.15 × 2,543.14
  4. Step 4: Simplify right side
    3,580.61x = 13,679,904.64
  5. Step 5: Solve for x
    x = 13,679,904.64/3,580.61
  6. Step 6: Final answer
    x = 3,820.55

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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.