Home / 3,001.61-4,142.21-1,657.29

Finding the Fourth Proportional to 3,001.61, 4,142.21 and 1,657.29

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Solution

The fourth proportional to 3,001.61, 4,142.21 and 1,657.29 is: 2,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.61 : 4,142.21 = 1,657.29 : x
  2. Step 2: Convert to fraction form
    3,001.61/4,142.21 = 1,657.29/x
  3. Step 3: Cross multiply
    3,001.61x = 4,142.21 × 1,657.29
  4. Step 4: Simplify right side
    3,001.61x = 6,864,834.92
  5. Step 5: Solve for x
    x = 6,864,834.92/3,001.61
  6. Step 6: Final answer
    x = 2,287.05

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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.