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Finding the Fourth Proportional to 2,698.29, 4,046.72 and 750.60

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Solution

The fourth proportional to 2,698.29, 4,046.72 and 750.60 is: 1,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.29 : 4,046.72 = 750.60 : x
  2. Step 2: Convert to fraction form
    2,698.29/4,046.72 = 750.60/x
  3. Step 3: Cross multiply
    2,698.29x = 4,046.72 × 750.60
  4. Step 4: Simplify right side
    2,698.29x = 3,037,464.28
  5. Step 5: Solve for x
    x = 3,037,464.28/2,698.29
  6. Step 6: Final answer
    x = 1,125.70

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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.