Home / 4,149.32-5,724.42-2,890.04

Finding the Fourth Proportional to 4,149.32, 5,724.42 and 2,890.04

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Solution

The fourth proportional to 4,149.32, 5,724.42 and 2,890.04 is: 3,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.32 : 5,724.42 = 2,890.04 : x
  2. Step 2: Convert to fraction form
    4,149.32/5,724.42 = 2,890.04/x
  3. Step 3: Cross multiply
    4,149.32x = 5,724.42 × 2,890.04
  4. Step 4: Simplify right side
    4,149.32x = 16,543,802.78
  5. Step 5: Solve for x
    x = 16,543,802.78/4,149.32
  6. Step 6: Final answer
    x = 3,987.11

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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.