Home / 2,717.41-3,750.05-1,538.72

Finding the Fourth Proportional to 2,717.41, 3,750.05 and 1,538.72

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Solution

The fourth proportional to 2,717.41, 3,750.05 and 1,538.72 is: 2,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.41 : 3,750.05 = 1,538.72 : x
  2. Step 2: Convert to fraction form
    2,717.41/3,750.05 = 1,538.72/x
  3. Step 3: Cross multiply
    2,717.41x = 3,750.05 × 1,538.72
  4. Step 4: Simplify right side
    2,717.41x = 5,770,276.94
  5. Step 5: Solve for x
    x = 5,770,276.94/2,717.41
  6. Step 6: Final answer
    x = 2,123.45

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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.