Home / 1,666.11-2,495.52-1,632.90

Finding the Fourth Proportional to 1,666.11, 2,495.52 and 1,632.90

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Solution

The fourth proportional to 1,666.11, 2,495.52 and 1,632.90 is: 2,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.11 : 2,495.52 = 1,632.90 : x
  2. Step 2: Convert to fraction form
    1,666.11/2,495.52 = 1,632.90/x
  3. Step 3: Cross multiply
    1,666.11x = 2,495.52 × 1,632.90
  4. Step 4: Simplify right side
    1,666.11x = 4,074,934.61
  5. Step 5: Solve for x
    x = 4,074,934.61/1,666.11
  6. Step 6: Final answer
    x = 2,445.78

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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.