Home / 2,254.27-3,110.90-1,259.59

Finding the Fourth Proportional to 2,254.27, 3,110.90 and 1,259.59

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Solution

The fourth proportional to 2,254.27, 3,110.90 and 1,259.59 is: 1,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.27 : 3,110.90 = 1,259.59 : x
  2. Step 2: Convert to fraction form
    2,254.27/3,110.90 = 1,259.59/x
  3. Step 3: Cross multiply
    2,254.27x = 3,110.90 × 1,259.59
  4. Step 4: Simplify right side
    2,254.27x = 3,918,458.53
  5. Step 5: Solve for x
    x = 3,918,458.53/2,254.27
  6. Step 6: Final answer
    x = 1,738.24

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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.