Home / 2,372.06-3,270.78-1,531.66

Finding the Fourth Proportional to 2,372.06, 3,270.78 and 1,531.66

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Solution

The fourth proportional to 2,372.06, 3,270.78 and 1,531.66 is: 2,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.06 : 3,270.78 = 1,531.66 : x
  2. Step 2: Convert to fraction form
    2,372.06/3,270.78 = 1,531.66/x
  3. Step 3: Cross multiply
    2,372.06x = 3,270.78 × 1,531.66
  4. Step 4: Simplify right side
    2,372.06x = 5,009,720.85
  5. Step 5: Solve for x
    x = 5,009,720.85/2,372.06
  6. Step 6: Final answer
    x = 2,111.97

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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.