Home / 3,426.42-5,132.74-1,574.95

Finding the Fourth Proportional to 3,426.42, 5,132.74 and 1,574.95

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Solution

The fourth proportional to 3,426.42, 5,132.74 and 1,574.95 is: 2,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.42 : 5,132.74 = 1,574.95 : x
  2. Step 2: Convert to fraction form
    3,426.42/5,132.74 = 1,574.95/x
  3. Step 3: Cross multiply
    3,426.42x = 5,132.74 × 1,574.95
  4. Step 4: Simplify right side
    3,426.42x = 8,083,808.86
  5. Step 5: Solve for x
    x = 8,083,808.86/3,426.42
  6. Step 6: Final answer
    x = 2,359.26

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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.