Home / 2,370.67-3,271.79-1,375.76

Finding the Fourth Proportional to 2,370.67, 3,271.79 and 1,375.76

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Solution

The fourth proportional to 2,370.67, 3,271.79 and 1,375.76 is: 1,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.67 : 3,271.79 = 1,375.76 : x
  2. Step 2: Convert to fraction form
    2,370.67/3,271.79 = 1,375.76/x
  3. Step 3: Cross multiply
    2,370.67x = 3,271.79 × 1,375.76
  4. Step 4: Simplify right side
    2,370.67x = 4,501,191.52
  5. Step 5: Solve for x
    x = 4,501,191.52/2,370.67
  6. Step 6: Final answer
    x = 1,898.70

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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.