Home / 3,426.60-5,135.10-2,542.20

Finding the Fourth Proportional to 3,426.60, 5,135.10 and 2,542.20

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Solution

The fourth proportional to 3,426.60, 5,135.10 and 2,542.20 is: 3,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.60 : 5,135.10 = 2,542.20 : x
  2. Step 2: Convert to fraction form
    3,426.60/5,135.10 = 2,542.20/x
  3. Step 3: Cross multiply
    3,426.60x = 5,135.10 × 2,542.20
  4. Step 4: Simplify right side
    3,426.60x = 13,054,451.22
  5. Step 5: Solve for x
    x = 13,054,451.22/3,426.60
  6. Step 6: Final answer
    x = 3,809.74

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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.