Home / 1,657.12-2,301.82-1,630.66

Finding the Fourth Proportional to 1,657.12, 2,301.82 and 1,630.66

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Solution

The fourth proportional to 1,657.12, 2,301.82 and 1,630.66 is: 2,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657.12 : 2,301.82 = 1,630.66 : x
  2. Step 2: Convert to fraction form
    1,657.12/2,301.82 = 1,630.66/x
  3. Step 3: Cross multiply
    1,657.12x = 2,301.82 × 1,630.66
  4. Step 4: Simplify right side
    1,657.12x = 3,753,485.80
  5. Step 5: Solve for x
    x = 3,753,485.80/1,657.12
  6. Step 6: Final answer
    x = 2,265.07

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.