Home / 3,339.80-5,008.68-1,258.28

Finding the Fourth Proportional to 3,339.80, 5,008.68 and 1,258.28

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Solution

The fourth proportional to 3,339.80, 5,008.68 and 1,258.28 is: 1,887.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.80 : 5,008.68 = 1,258.28 : x
  2. Step 2: Convert to fraction form
    3,339.80/5,008.68 = 1,258.28/x
  3. Step 3: Cross multiply
    3,339.80x = 5,008.68 × 1,258.28
  4. Step 4: Simplify right side
    3,339.80x = 6,302,321.87
  5. Step 5: Solve for x
    x = 6,302,321.87/3,339.80
  6. Step 6: Final answer
    x = 1,887.04

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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.