Home / 3,948.93-5,449.33-2,269.15

Finding the Fourth Proportional to 3,948.93, 5,449.33 and 2,269.15

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Solution

The fourth proportional to 3,948.93, 5,449.33 and 2,269.15 is: 3,131.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.93 : 5,449.33 = 2,269.15 : x
  2. Step 2: Convert to fraction form
    3,948.93/5,449.33 = 2,269.15/x
  3. Step 3: Cross multiply
    3,948.93x = 5,449.33 × 2,269.15
  4. Step 4: Simplify right side
    3,948.93x = 12,365,347.17
  5. Step 5: Solve for x
    x = 12,365,347.17/3,948.93
  6. Step 6: Final answer
    x = 3,131.32

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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.