Home / 2,269.18-3,403.85-625.72

Finding the Fourth Proportional to 2,269.18, 3,403.85 and 625.72

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Solution

The fourth proportional to 2,269.18, 3,403.85 and 625.72 is: 938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.18 : 3,403.85 = 625.72 : x
  2. Step 2: Convert to fraction form
    2,269.18/3,403.85 = 625.72/x
  3. Step 3: Cross multiply
    2,269.18x = 3,403.85 × 625.72
  4. Step 4: Simplify right side
    2,269.18x = 2,129,857.02
  5. Step 5: Solve for x
    x = 2,129,857.02/2,269.18
  6. Step 6: Final answer
    x = 938.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.