Home / 2,169.23-3,254.23-1,292.46

Finding the Fourth Proportional to 2,169.23, 3,254.23 and 1,292.46

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Solution

The fourth proportional to 2,169.23, 3,254.23 and 1,292.46 is: 1,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.23 : 3,254.23 = 1,292.46 : x
  2. Step 2: Convert to fraction form
    2,169.23/3,254.23 = 1,292.46/x
  3. Step 3: Cross multiply
    2,169.23x = 3,254.23 × 1,292.46
  4. Step 4: Simplify right side
    2,169.23x = 4,205,944.25
  5. Step 5: Solve for x
    x = 4,205,944.25/2,169.23
  6. Step 6: Final answer
    x = 1,938.91

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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.