Home / 2,445.11-3,664.17-1,887.88

Finding the Fourth Proportional to 2,445.11, 3,664.17 and 1,887.88

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Solution

The fourth proportional to 2,445.11, 3,664.17 and 1,887.88 is: 2,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.11 : 3,664.17 = 1,887.88 : x
  2. Step 2: Convert to fraction form
    2,445.11/3,664.17 = 1,887.88/x
  3. Step 3: Cross multiply
    2,445.11x = 3,664.17 × 1,887.88
  4. Step 4: Simplify right side
    2,445.11x = 6,917,504.10
  5. Step 5: Solve for x
    x = 6,917,504.10/2,445.11
  6. Step 6: Final answer
    x = 2,829.11

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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.