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Finding the Fourth Proportional to 1,957.47, 2,921.03 and 1,749.75

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Solution

The fourth proportional to 1,957.47, 2,921.03 and 1,749.75 is: 2,611.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.47 : 2,921.03 = 1,749.75 : x
  2. Step 2: Convert to fraction form
    1,957.47/2,921.03 = 1,749.75/x
  3. Step 3: Cross multiply
    1,957.47x = 2,921.03 × 1,749.75
  4. Step 4: Simplify right side
    1,957.47x = 5,111,063.49
  5. Step 5: Solve for x
    x = 5,111,063.49/1,957.47
  6. Step 6: Final answer
    x = 2,611.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.