Home / 2,254.16-3,110.72-1,259.44

Finding the Fourth Proportional to 2,254.16, 3,110.72 and 1,259.44

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Solution

The fourth proportional to 2,254.16, 3,110.72 and 1,259.44 is: 1,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.16 : 3,110.72 = 1,259.44 : x
  2. Step 2: Convert to fraction form
    2,254.16/3,110.72 = 1,259.44/x
  3. Step 3: Cross multiply
    2,254.16x = 3,110.72 × 1,259.44
  4. Step 4: Simplify right side
    2,254.16x = 3,917,765.20
  5. Step 5: Solve for x
    x = 3,917,765.20/2,254.16
  6. Step 6: Final answer
    x = 1,738.02

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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.