Home / 2,248.08-3,102.42-1,408.80

Finding the Fourth Proportional to 2,248.08, 3,102.42 and 1,408.80

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Solution

The fourth proportional to 2,248.08, 3,102.42 and 1,408.80 is: 1,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.08 : 3,102.42 = 1,408.80 : x
  2. Step 2: Convert to fraction form
    2,248.08/3,102.42 = 1,408.80/x
  3. Step 3: Cross multiply
    2,248.08x = 3,102.42 × 1,408.80
  4. Step 4: Simplify right side
    2,248.08x = 4,370,689.30
  5. Step 5: Solve for x
    x = 4,370,689.30/2,248.08
  6. Step 6: Final answer
    x = 1,944.19

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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.