Home / 3,193.56-4,407.12-2,147.04

Finding the Fourth Proportional to 3,193.56, 4,407.12 and 2,147.04

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Solution

The fourth proportional to 3,193.56, 4,407.12 and 2,147.04 is: 2,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.56 : 4,407.12 = 2,147.04 : x
  2. Step 2: Convert to fraction form
    3,193.56/4,407.12 = 2,147.04/x
  3. Step 3: Cross multiply
    3,193.56x = 4,407.12 × 2,147.04
  4. Step 4: Simplify right side
    3,193.56x = 9,462,262.92
  5. Step 5: Solve for x
    x = 9,462,262.92/3,193.56
  6. Step 6: Final answer
    x = 2,962.92

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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.