Home / 2,419.34-3,625.94-1,102.70

Finding the Fourth Proportional to 2,419.34, 3,625.94 and 1,102.70

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Solution

The fourth proportional to 2,419.34, 3,625.94 and 1,102.70 is: 1,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.34 : 3,625.94 = 1,102.70 : x
  2. Step 2: Convert to fraction form
    2,419.34/3,625.94 = 1,102.70/x
  3. Step 3: Cross multiply
    2,419.34x = 3,625.94 × 1,102.70
  4. Step 4: Simplify right side
    2,419.34x = 3,998,335.86
  5. Step 5: Solve for x
    x = 3,998,335.86/2,419.34
  6. Step 6: Final answer
    x = 1,652.66

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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.