Home / 3,112.04-4,671.30-2,290.70

Finding the Fourth Proportional to 3,112.04, 4,671.30 and 2,290.70

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Solution

The fourth proportional to 3,112.04, 4,671.30 and 2,290.70 is: 3,438.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.04 : 4,671.30 = 2,290.70 : x
  2. Step 2: Convert to fraction form
    3,112.04/4,671.30 = 2,290.70/x
  3. Step 3: Cross multiply
    3,112.04x = 4,671.30 × 2,290.70
  4. Step 4: Simplify right side
    3,112.04x = 10,700,546.91
  5. Step 5: Solve for x
    x = 10,700,546.91/3,112.04
  6. Step 6: Final answer
    x = 3,438.43

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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.