Home / 3,983.30-5,974.98-1,061.63

Finding the Fourth Proportional to 3,983.30, 5,974.98 and 1,061.63

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Solution

The fourth proportional to 3,983.30, 5,974.98 and 1,061.63 is: 1,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.30 : 5,974.98 = 1,061.63 : x
  2. Step 2: Convert to fraction form
    3,983.30/5,974.98 = 1,061.63/x
  3. Step 3: Cross multiply
    3,983.30x = 5,974.98 × 1,061.63
  4. Step 4: Simplify right side
    3,983.30x = 6,343,218.02
  5. Step 5: Solve for x
    x = 6,343,218.02/3,983.30
  6. Step 6: Final answer
    x = 1,592.45

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Similar ratio
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1.5x scale

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.