Home / 2,177.89-3,264.10-1,297.62

Finding the Fourth Proportional to 2,177.89, 3,264.10 and 1,297.62

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Solution

The fourth proportional to 2,177.89, 3,264.10 and 1,297.62 is: 1,944.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.89 : 3,264.10 = 1,297.62 : x
  2. Step 2: Convert to fraction form
    2,177.89/3,264.10 = 1,297.62/x
  3. Step 3: Cross multiply
    2,177.89x = 3,264.10 × 1,297.62
  4. Step 4: Simplify right side
    2,177.89x = 4,235,558.20
  5. Step 5: Solve for x
    x = 4,235,558.20/2,177.89
  6. Step 6: Final answer
    x = 1,944.80

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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.