Home / 3,132.06-4,312.40-2,659.02

Finding the Fourth Proportional to 3,132.06, 4,312.40 and 2,659.02

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Solution

The fourth proportional to 3,132.06, 4,312.40 and 2,659.02 is: 3,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.06 : 4,312.40 = 2,659.02 : x
  2. Step 2: Convert to fraction form
    3,132.06/4,312.40 = 2,659.02/x
  3. Step 3: Cross multiply
    3,132.06x = 4,312.40 × 2,659.02
  4. Step 4: Simplify right side
    3,132.06x = 11,466,757.85
  5. Step 5: Solve for x
    x = 11,466,757.85/3,132.06
  6. Step 6: Final answer
    x = 3,661.09

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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.