Home / 3,339.12-5,008.14-1,147.92

Finding the Fourth Proportional to 3,339.12, 5,008.14 and 1,147.92

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Solution

The fourth proportional to 3,339.12, 5,008.14 and 1,147.92 is: 1,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.12 : 5,008.14 = 1,147.92 : x
  2. Step 2: Convert to fraction form
    3,339.12/5,008.14 = 1,147.92/x
  3. Step 3: Cross multiply
    3,339.12x = 5,008.14 × 1,147.92
  4. Step 4: Simplify right side
    3,339.12x = 5,748,944.07
  5. Step 5: Solve for x
    x = 5,748,944.07/3,339.12
  6. Step 6: Final answer
    x = 1,721.69

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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.