Home / 3,393.42-5,080.20-2,574.90

Finding the Fourth Proportional to 3,393.42, 5,080.20 and 2,574.90

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Solution

The fourth proportional to 3,393.42, 5,080.20 and 2,574.90 is: 3,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.42 : 5,080.20 = 2,574.90 : x
  2. Step 2: Convert to fraction form
    3,393.42/5,080.20 = 2,574.90/x
  3. Step 3: Cross multiply
    3,393.42x = 5,080.20 × 2,574.90
  4. Step 4: Simplify right side
    3,393.42x = 13,081,006.98
  5. Step 5: Solve for x
    x = 13,081,006.98/3,393.42
  6. Step 6: Final answer
    x = 3,854.82

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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.