Home / 3,439.09-4,748.12-2,553.85

Finding the Fourth Proportional to 3,439.09, 4,748.12 and 2,553.85

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Solution

The fourth proportional to 3,439.09, 4,748.12 and 2,553.85 is: 3,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.09 : 4,748.12 = 2,553.85 : x
  2. Step 2: Convert to fraction form
    3,439.09/4,748.12 = 2,553.85/x
  3. Step 3: Cross multiply
    3,439.09x = 4,748.12 × 2,553.85
  4. Step 4: Simplify right side
    3,439.09x = 12,125,973.49
  5. Step 5: Solve for x
    x = 12,125,973.49/3,439.09
  6. Step 6: Final answer
    x = 3,525.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.