Home / 3,948.39-5,447.25-2,269.53

Finding the Fourth Proportional to 3,948.39, 5,447.25 and 2,269.53

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Solution

The fourth proportional to 3,948.39, 5,447.25 and 2,269.53 is: 3,131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.39 : 5,447.25 = 2,269.53 : x
  2. Step 2: Convert to fraction form
    3,948.39/5,447.25 = 2,269.53/x
  3. Step 3: Cross multiply
    3,948.39x = 5,447.25 × 2,269.53
  4. Step 4: Simplify right side
    3,948.39x = 12,362,697.29
  5. Step 5: Solve for x
    x = 12,362,697.29/3,948.39
  6. Step 6: Final answer
    x = 3,131.07

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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.