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Finding the Fourth Proportional to 2,717.93, 3,751.04 and 1,538.98

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Solution

The fourth proportional to 2,717.93, 3,751.04 and 1,538.98 is: 2,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.93 : 3,751.04 = 1,538.98 : x
  2. Step 2: Convert to fraction form
    2,717.93/3,751.04 = 1,538.98/x
  3. Step 3: Cross multiply
    2,717.93x = 3,751.04 × 1,538.98
  4. Step 4: Simplify right side
    2,717.93x = 5,772,775.54
  5. Step 5: Solve for x
    x = 5,772,775.54/2,717.93
  6. Step 6: Final answer
    x = 2,123.96

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1.5x scale

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.