Home / 1,949.26-2,689.98-1,110.13

Finding the Fourth Proportional to 1,949.26, 2,689.98 and 1,110.13

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Solution

The fourth proportional to 1,949.26, 2,689.98 and 1,110.13 is: 1,531.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,949.26 : 2,689.98 = 1,110.13 : x
  2. Step 2: Convert to fraction form
    1,949.26/2,689.98 = 1,110.13/x
  3. Step 3: Cross multiply
    1,949.26x = 2,689.98 × 1,110.13
  4. Step 4: Simplify right side
    1,949.26x = 2,986,227.50
  5. Step 5: Solve for x
    x = 2,986,227.50/1,949.26
  6. Step 6: Final answer
    x = 1,531.98

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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.