Home / 3,382.13-5,073.20-1,330.13

Finding the Fourth Proportional to 3,382.13, 5,073.20 and 1,330.13

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Solution

The fourth proportional to 3,382.13, 5,073.20 and 1,330.13 is: 1,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.13 : 5,073.20 = 1,330.13 : x
  2. Step 2: Convert to fraction form
    3,382.13/5,073.20 = 1,330.13/x
  3. Step 3: Cross multiply
    3,382.13x = 5,073.20 × 1,330.13
  4. Step 4: Simplify right side
    3,382.13x = 6,748,015.52
  5. Step 5: Solve for x
    x = 6,748,015.52/3,382.13
  6. Step 6: Final answer
    x = 1,995.20

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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.