Home / 2,253.68-3,110.12-1,245.42

Finding the Fourth Proportional to 2,253.68, 3,110.12 and 1,245.42

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Solution

The fourth proportional to 2,253.68, 3,110.12 and 1,245.42 is: 1,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.68 : 3,110.12 = 1,245.42 : x
  2. Step 2: Convert to fraction form
    2,253.68/3,110.12 = 1,245.42/x
  3. Step 3: Cross multiply
    2,253.68x = 3,110.12 × 1,245.42
  4. Step 4: Simplify right side
    2,253.68x = 3,873,408.76
  5. Step 5: Solve for x
    x = 3,873,408.76/2,253.68
  6. Step 6: Final answer
    x = 1,718.70

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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.