Home / 3,542.40-4,881.60-3,499.20

Finding the Fourth Proportional to 3,542.40, 4,881.60 and 3,499.20

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Solution

The fourth proportional to 3,542.40, 4,881.60 and 3,499.20 is: 4,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.40 : 4,881.60 = 3,499.20 : x
  2. Step 2: Convert to fraction form
    3,542.40/4,881.60 = 3,499.20/x
  3. Step 3: Cross multiply
    3,542.40x = 4,881.60 × 3,499.20
  4. Step 4: Simplify right side
    3,542.40x = 17,081,694.72
  5. Step 5: Solve for x
    x = 17,081,694.72/3,542.40
  6. Step 6: Final answer
    x = 4,822.07

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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.