Home / 2,370.25-3,271.14-1,375.90

Finding the Fourth Proportional to 2,370.25, 3,271.14 and 1,375.90

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Solution

The fourth proportional to 2,370.25, 3,271.14 and 1,375.90 is: 1,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.25 : 3,271.14 = 1,375.90 : x
  2. Step 2: Convert to fraction form
    2,370.25/3,271.14 = 1,375.90/x
  3. Step 3: Cross multiply
    2,370.25x = 3,271.14 × 1,375.90
  4. Step 4: Simplify right side
    2,370.25x = 4,500,761.53
  5. Step 5: Solve for x
    x = 4,500,761.53/2,370.25
  6. Step 6: Final answer
    x = 1,898.86

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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.