Home / 1,671.22-2,306.28-1,007.94

Finding the Fourth Proportional to 1,671.22, 2,306.28 and 1,007.94

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Solution

The fourth proportional to 1,671.22, 2,306.28 and 1,007.94 is: 1,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.22 : 2,306.28 = 1,007.94 : x
  2. Step 2: Convert to fraction form
    1,671.22/2,306.28 = 1,007.94/x
  3. Step 3: Cross multiply
    1,671.22x = 2,306.28 × 1,007.94
  4. Step 4: Simplify right side
    1,671.22x = 2,324,591.86
  5. Step 5: Solve for x
    x = 2,324,591.86/1,671.22
  6. Step 6: Final answer
    x = 1,390.96

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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.