Home / 3,620.96-5,432.99-1,541.42

Finding the Fourth Proportional to 3,620.96, 5,432.99 and 1,541.42

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Solution

The fourth proportional to 3,620.96, 5,432.99 and 1,541.42 is: 2,312.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.96 : 5,432.99 = 1,541.42 : x
  2. Step 2: Convert to fraction form
    3,620.96/5,432.99 = 1,541.42/x
  3. Step 3: Cross multiply
    3,620.96x = 5,432.99 × 1,541.42
  4. Step 4: Simplify right side
    3,620.96x = 8,374,484.57
  5. Step 5: Solve for x
    x = 8,374,484.57/3,620.96
  6. Step 6: Final answer
    x = 2,312.78

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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.