Home / 3,319.47-4,979.16-1,010.97

Finding the Fourth Proportional to 3,319.47, 4,979.16 and 1,010.97

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Solution

The fourth proportional to 3,319.47, 4,979.16 and 1,010.97 is: 1,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.47 : 4,979.16 = 1,010.97 : x
  2. Step 2: Convert to fraction form
    3,319.47/4,979.16 = 1,010.97/x
  3. Step 3: Cross multiply
    3,319.47x = 4,979.16 × 1,010.97
  4. Step 4: Simplify right side
    3,319.47x = 5,033,781.39
  5. Step 5: Solve for x
    x = 5,033,781.39/3,319.47
  6. Step 6: Final answer
    x = 1,516.44

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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.