Home / 3,903.53-5,374.35-3,159.95

Finding the Fourth Proportional to 3,903.53, 5,374.35 and 3,159.95

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Solution

The fourth proportional to 3,903.53, 5,374.35 and 3,159.95 is: 4,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.53 : 5,374.35 = 3,159.95 : x
  2. Step 2: Convert to fraction form
    3,903.53/5,374.35 = 3,159.95/x
  3. Step 3: Cross multiply
    3,903.53x = 5,374.35 × 3,159.95
  4. Step 4: Simplify right side
    3,903.53x = 16,982,650.41
  5. Step 5: Solve for x
    x = 16,982,650.41/3,903.53
  6. Step 6: Final answer
    x = 4,350.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.