Home / 3,598.80-5,385.32-2,612.76

Finding the Fourth Proportional to 3,598.80, 5,385.32 and 2,612.76

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Solution

The fourth proportional to 3,598.80, 5,385.32 and 2,612.76 is: 3,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,598.80 : 5,385.32 = 2,612.76 : x
  2. Step 2: Convert to fraction form
    3,598.80/5,385.32 = 2,612.76/x
  3. Step 3: Cross multiply
    3,598.80x = 5,385.32 × 2,612.76
  4. Step 4: Simplify right side
    3,598.80x = 14,070,548.68
  5. Step 5: Solve for x
    x = 14,070,548.68/3,598.80
  6. Step 6: Final answer
    x = 3,909.79

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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.