Home / 2,635.61-3,635.49-1,691.08

Finding the Fourth Proportional to 2,635.61, 3,635.49 and 1,691.08

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Solution

The fourth proportional to 2,635.61, 3,635.49 and 1,691.08 is: 2,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.61 : 3,635.49 = 1,691.08 : x
  2. Step 2: Convert to fraction form
    2,635.61/3,635.49 = 1,691.08/x
  3. Step 3: Cross multiply
    2,635.61x = 3,635.49 × 1,691.08
  4. Step 4: Simplify right side
    2,635.61x = 6,147,904.43
  5. Step 5: Solve for x
    x = 6,147,904.43/2,635.61
  6. Step 6: Final answer
    x = 2,332.63

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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.