Home / 3,339.38-5,008.31-1,259.45

Finding the Fourth Proportional to 3,339.38, 5,008.31 and 1,259.45

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Solution

The fourth proportional to 3,339.38, 5,008.31 and 1,259.45 is: 1,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,339.38 : 5,008.31 = 1,259.45 : x
  2. Step 2: Convert to fraction form
    3,339.38/5,008.31 = 1,259.45/x
  3. Step 3: Cross multiply
    3,339.38x = 5,008.31 × 1,259.45
  4. Step 4: Simplify right side
    3,339.38x = 6,307,716.03
  5. Step 5: Solve for x
    x = 6,307,716.03/3,339.38
  6. Step 6: Final answer
    x = 1,888.89

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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.