Home / 4,154.12-5,732.68-2,291.12

Finding the Fourth Proportional to 4,154.12, 5,732.68 and 2,291.12

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Solution

The fourth proportional to 4,154.12, 5,732.68 and 2,291.12 is: 3,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.12 : 5,732.68 = 2,291.12 : x
  2. Step 2: Convert to fraction form
    4,154.12/5,732.68 = 2,291.12/x
  3. Step 3: Cross multiply
    4,154.12x = 5,732.68 × 2,291.12
  4. Step 4: Simplify right side
    4,154.12x = 13,134,257.80
  5. Step 5: Solve for x
    x = 13,134,257.80/4,154.12
  6. Step 6: Final answer
    x = 3,161.74

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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.