Home / 1,331.49-1,837.38-1,016.97

Finding the Fourth Proportional to 1,331.49, 1,837.38 and 1,016.97

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Solution

The fourth proportional to 1,331.49, 1,837.38 and 1,016.97 is: 1,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.49 : 1,837.38 = 1,016.97 : x
  2. Step 2: Convert to fraction form
    1,331.49/1,837.38 = 1,016.97/x
  3. Step 3: Cross multiply
    1,331.49x = 1,837.38 × 1,016.97
  4. Step 4: Simplify right side
    1,331.49x = 1,868,560.34
  5. Step 5: Solve for x
    x = 1,868,560.34/1,331.49
  6. Step 6: Final answer
    x = 1,403.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.