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Finding the Fourth Proportional to 2,671.52, 4,003.63 and 1,695.87

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Solution

The fourth proportional to 2,671.52, 4,003.63 and 1,695.87 is: 2,541.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.52 : 4,003.63 = 1,695.87 : x
  2. Step 2: Convert to fraction form
    2,671.52/4,003.63 = 1,695.87/x
  3. Step 3: Cross multiply
    2,671.52x = 4,003.63 × 1,695.87
  4. Step 4: Simplify right side
    2,671.52x = 6,789,636.01
  5. Step 5: Solve for x
    x = 6,789,636.01/2,671.52
  6. Step 6: Final answer
    x = 2,541.49

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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.