Home / 3,132.91-4,313.55-2,659.87

Finding the Fourth Proportional to 3,132.91, 4,313.55 and 2,659.87

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Solution

The fourth proportional to 3,132.91, 4,313.55 and 2,659.87 is: 3,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.91 : 4,313.55 = 2,659.87 : x
  2. Step 2: Convert to fraction form
    3,132.91/4,313.55 = 2,659.87/x
  3. Step 3: Cross multiply
    3,132.91x = 4,313.55 × 2,659.87
  4. Step 4: Simplify right side
    3,132.91x = 11,473,480.17
  5. Step 5: Solve for x
    x = 11,473,480.17/3,132.91
  6. Step 6: Final answer
    x = 3,662.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.