Home / 2,259.74-3,118.56-1,251.44

Finding the Fourth Proportional to 2,259.74, 3,118.56 and 1,251.44

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Solution

The fourth proportional to 2,259.74, 3,118.56 and 1,251.44 is: 1,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.74 : 3,118.56 = 1,251.44 : x
  2. Step 2: Convert to fraction form
    2,259.74/3,118.56 = 1,251.44/x
  3. Step 3: Cross multiply
    2,259.74x = 3,118.56 × 1,251.44
  4. Step 4: Simplify right side
    2,259.74x = 3,902,690.73
  5. Step 5: Solve for x
    x = 3,902,690.73/2,259.74
  6. Step 6: Final answer
    x = 1,727.05

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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.