Home / 3,471.17-5,209.02-1,279.94

Finding the Fourth Proportional to 3,471.17, 5,209.02 and 1,279.94

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Solution

The fourth proportional to 3,471.17, 5,209.02 and 1,279.94 is: 1,920.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.17 : 5,209.02 = 1,279.94 : x
  2. Step 2: Convert to fraction form
    3,471.17/5,209.02 = 1,279.94/x
  3. Step 3: Cross multiply
    3,471.17x = 5,209.02 × 1,279.94
  4. Step 4: Simplify right side
    3,471.17x = 6,667,207.01
  5. Step 5: Solve for x
    x = 6,667,207.01/3,471.17
  6. Step 6: Final answer
    x = 1,920.74

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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.