Home / 3,429.90-4,728.30-2,248.92

Finding the Fourth Proportional to 3,429.90, 4,728.30 and 2,248.92

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Solution

The fourth proportional to 3,429.90, 4,728.30 and 2,248.92 is: 3,100.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.90 : 4,728.30 = 2,248.92 : x
  2. Step 2: Convert to fraction form
    3,429.90/4,728.30 = 2,248.92/x
  3. Step 3: Cross multiply
    3,429.90x = 4,728.30 × 2,248.92
  4. Step 4: Simplify right side
    3,429.90x = 10,633,568.44
  5. Step 5: Solve for x
    x = 10,633,568.44/3,429.90
  6. Step 6: Final answer
    x = 3,100.26

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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.