Home / 3,432.53-5,142.74-1,579.77

Finding the Fourth Proportional to 3,432.53, 5,142.74 and 1,579.77

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Solution

The fourth proportional to 3,432.53, 5,142.74 and 1,579.77 is: 2,366.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.53 : 5,142.74 = 1,579.77 : x
  2. Step 2: Convert to fraction form
    3,432.53/5,142.74 = 1,579.77/x
  3. Step 3: Cross multiply
    3,432.53x = 5,142.74 × 1,579.77
  4. Step 4: Simplify right side
    3,432.53x = 8,124,338.47
  5. Step 5: Solve for x
    x = 8,124,338.47/3,432.53
  6. Step 6: Final answer
    x = 2,366.86

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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.