Home / 2,983.48-4,116.76-1,657.20

Finding the Fourth Proportional to 2,983.48, 4,116.76 and 1,657.20

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Solution

The fourth proportional to 2,983.48, 4,116.76 and 1,657.20 is: 2,286.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.48 : 4,116.76 = 1,657.20 : x
  2. Step 2: Convert to fraction form
    2,983.48/4,116.76 = 1,657.20/x
  3. Step 3: Cross multiply
    2,983.48x = 4,116.76 × 1,657.20
  4. Step 4: Simplify right side
    2,983.48x = 6,822,294.67
  5. Step 5: Solve for x
    x = 6,822,294.67/2,983.48
  6. Step 6: Final answer
    x = 2,286.69

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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.