Home / 3,542.79-5,331.09-2,922.60

Finding the Fourth Proportional to 3,542.79, 5,331.09 and 2,922.60

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Solution

The fourth proportional to 3,542.79, 5,331.09 and 2,922.60 is: 4,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.79 : 5,331.09 = 2,922.60 : x
  2. Step 2: Convert to fraction form
    3,542.79/5,331.09 = 2,922.60/x
  3. Step 3: Cross multiply
    3,542.79x = 5,331.09 × 2,922.60
  4. Step 4: Simplify right side
    3,542.79x = 15,580,643.63
  5. Step 5: Solve for x
    x = 15,580,643.63/3,542.79
  6. Step 6: Final answer
    x = 4,397.85

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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.