Home / 3,239.29-4,858.61-1,159.21

Finding the Fourth Proportional to 3,239.29, 4,858.61 and 1,159.21

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Solution

The fourth proportional to 3,239.29, 4,858.61 and 1,159.21 is: 1,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.29 : 4,858.61 = 1,159.21 : x
  2. Step 2: Convert to fraction form
    3,239.29/4,858.61 = 1,159.21/x
  3. Step 3: Cross multiply
    3,239.29x = 4,858.61 × 1,159.21
  4. Step 4: Simplify right side
    3,239.29x = 5,632,149.30
  5. Step 5: Solve for x
    x = 5,632,149.30/3,239.29
  6. Step 6: Final answer
    x = 1,738.70

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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.