Home / 3,426.24-5,129.12-2,558.40

Finding the Fourth Proportional to 3,426.24, 5,129.12 and 2,558.40

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Solution

The fourth proportional to 3,426.24, 5,129.12 and 2,558.40 is: 3,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.24 : 5,129.12 = 2,558.40 : x
  2. Step 2: Convert to fraction form
    3,426.24/5,129.12 = 2,558.40/x
  3. Step 3: Cross multiply
    3,426.24x = 5,129.12 × 2,558.40
  4. Step 4: Simplify right side
    3,426.24x = 13,122,340.61
  5. Step 5: Solve for x
    x = 13,122,340.61/3,426.24
  6. Step 6: Final answer
    x = 3,829.95

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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.