Home / 3,903.74-5,385.94-2,310.57

Finding the Fourth Proportional to 3,903.74, 5,385.94 and 2,310.57

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Solution

The fourth proportional to 3,903.74, 5,385.94 and 2,310.57 is: 3,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.74 : 5,385.94 = 2,310.57 : x
  2. Step 2: Convert to fraction form
    3,903.74/5,385.94 = 2,310.57/x
  3. Step 3: Cross multiply
    3,903.74x = 5,385.94 × 2,310.57
  4. Step 4: Simplify right side
    3,903.74x = 12,444,585.61
  5. Step 5: Solve for x
    x = 12,444,585.61/3,903.74
  6. Step 6: Final answer
    x = 3,187.86

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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.