Home / 3,425.57-5,134.22-1,574.15

Finding the Fourth Proportional to 3,425.57, 5,134.22 and 1,574.15

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Solution

The fourth proportional to 3,425.57, 5,134.22 and 1,574.15 is: 2,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.57 : 5,134.22 = 1,574.15 : x
  2. Step 2: Convert to fraction form
    3,425.57/5,134.22 = 1,574.15/x
  3. Step 3: Cross multiply
    3,425.57x = 5,134.22 × 1,574.15
  4. Step 4: Simplify right side
    3,425.57x = 8,082,004.77
  5. Step 5: Solve for x
    x = 8,082,004.77/3,425.57
  6. Step 6: Final answer
    x = 2,359.32

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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.