Home / 3,340.13-5,013.22-1,781.44

Finding the Fourth Proportional to 3,340.13, 5,013.22 and 1,781.44

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Solution

The fourth proportional to 3,340.13, 5,013.22 and 1,781.44 is: 2,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.13 : 5,013.22 = 1,781.44 : x
  2. Step 2: Convert to fraction form
    3,340.13/5,013.22 = 1,781.44/x
  3. Step 3: Cross multiply
    3,340.13x = 5,013.22 × 1,781.44
  4. Step 4: Simplify right side
    3,340.13x = 8,930,750.64
  5. Step 5: Solve for x
    x = 8,930,750.64/3,340.13
  6. Step 6: Final answer
    x = 2,673.77

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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.