Home / 3,132.05-4,312.40-2,659.01

Finding the Fourth Proportional to 3,132.05, 4,312.40 and 2,659.01

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Solution

The fourth proportional to 3,132.05, 4,312.40 and 2,659.01 is: 3,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.05 : 4,312.40 = 2,659.01 : x
  2. Step 2: Convert to fraction form
    3,132.05/4,312.40 = 2,659.01/x
  3. Step 3: Cross multiply
    3,132.05x = 4,312.40 × 2,659.01
  4. Step 4: Simplify right side
    3,132.05x = 11,466,701.43
  5. Step 5: Solve for x
    x = 11,466,701.43/3,132.05
  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.