Home / 2,248.50-3,103.14-1,317.18

Finding the Fourth Proportional to 2,248.50, 3,103.14 and 1,317.18

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Solution

The fourth proportional to 2,248.50, 3,103.14 and 1,317.18 is: 1,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.50 : 3,103.14 = 1,317.18 : x
  2. Step 2: Convert to fraction form
    2,248.50/3,103.14 = 1,317.18/x
  3. Step 3: Cross multiply
    2,248.50x = 3,103.14 × 1,317.18
  4. Step 4: Simplify right side
    2,248.50x = 4,087,393.95
  5. Step 5: Solve for x
    x = 4,087,393.95/2,248.50
  6. Step 6: Final answer
    x = 1,817.83

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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.