Home / 3,132.68-4,694.35-2,856.06

Finding the Fourth Proportional to 3,132.68, 4,694.35 and 2,856.06

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Solution

The fourth proportional to 3,132.68, 4,694.35 and 2,856.06 is: 4,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.68 : 4,694.35 = 2,856.06 : x
  2. Step 2: Convert to fraction form
    3,132.68/4,694.35 = 2,856.06/x
  3. Step 3: Cross multiply
    3,132.68x = 4,694.35 × 2,856.06
  4. Step 4: Simplify right side
    3,132.68x = 13,407,345.26
  5. Step 5: Solve for x
    x = 13,407,345.26/3,132.68
  6. Step 6: Final answer
    x = 4,279.83

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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.