Home / 3,439.04-5,160.72-2,143.04

Finding the Fourth Proportional to 3,439.04, 5,160.72 and 2,143.04

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Solution

The fourth proportional to 3,439.04, 5,160.72 and 2,143.04 is: 3,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.04 : 5,160.72 = 2,143.04 : x
  2. Step 2: Convert to fraction form
    3,439.04/5,160.72 = 2,143.04/x
  3. Step 3: Cross multiply
    3,439.04x = 5,160.72 × 2,143.04
  4. Step 4: Simplify right side
    3,439.04x = 11,059,629.39
  5. Step 5: Solve for x
    x = 11,059,629.39/3,439.04
  6. Step 6: Final answer
    x = 3,215.91

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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.