Home / 3,887.90-5,364-2,374.92

Finding the Fourth Proportional to 3,887.90, 5,364 and 2,374.92

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Solution

The fourth proportional to 3,887.90, 5,364 and 2,374.92 is: 3,276.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.90 : 5,364 = 2,374.92 : x
  2. Step 2: Convert to fraction form
    3,887.90/5,364 = 2,374.92/x
  3. Step 3: Cross multiply
    3,887.90x = 5,364 × 2,374.92
  4. Step 4: Simplify right side
    3,887.90x = 12,739,070.88
  5. Step 5: Solve for x
    x = 12,739,070.88/3,887.90
  6. Step 6: Final answer
    x = 3,276.59

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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.