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Finding the Fourth Proportional to 2,671.54, 4,007.31 and 1,752.91

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Solution

The fourth proportional to 2,671.54, 4,007.31 and 1,752.91 is: 2,629.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.54 : 4,007.31 = 1,752.91 : x
  2. Step 2: Convert to fraction form
    2,671.54/4,007.31 = 1,752.91/x
  3. Step 3: Cross multiply
    2,671.54x = 4,007.31 × 1,752.91
  4. Step 4: Simplify right side
    2,671.54x = 7,024,453.77
  5. Step 5: Solve for x
    x = 7,024,453.77/2,671.54
  6. Step 6: Final answer
    x = 2,629.37

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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.