Home / 3,306.96-4,959.36-1,115.37

Finding the Fourth Proportional to 3,306.96, 4,959.36 and 1,115.37

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Solution

The fourth proportional to 3,306.96, 4,959.36 and 1,115.37 is: 1,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.96 : 4,959.36 = 1,115.37 : x
  2. Step 2: Convert to fraction form
    3,306.96/4,959.36 = 1,115.37/x
  3. Step 3: Cross multiply
    3,306.96x = 4,959.36 × 1,115.37
  4. Step 4: Simplify right side
    3,306.96x = 5,531,521.36
  5. Step 5: Solve for x
    x = 5,531,521.36/3,306.96
  6. Step 6: Final answer
    x = 1,672.69

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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.