Home / 1,689.44-2,535.44-1,104.26

Finding the Fourth Proportional to 1,689.44, 2,535.44 and 1,104.26

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Solution

The fourth proportional to 1,689.44, 2,535.44 and 1,104.26 is: 1,657.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689.44 : 2,535.44 = 1,104.26 : x
  2. Step 2: Convert to fraction form
    1,689.44/2,535.44 = 1,104.26/x
  3. Step 3: Cross multiply
    1,689.44x = 2,535.44 × 1,104.26
  4. Step 4: Simplify right side
    1,689.44x = 2,799,766.78
  5. Step 5: Solve for x
    x = 2,799,766.78/1,689.44
  6. Step 6: Final answer
    x = 1,657.22

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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.