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Finding the Fourth Proportional to 2,340.59, 3,511.28 and 880.16

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Solution

The fourth proportional to 2,340.59, 3,511.28 and 880.16 is: 1,320.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.59 : 3,511.28 = 880.16 : x
  2. Step 2: Convert to fraction form
    2,340.59/3,511.28 = 880.16/x
  3. Step 3: Cross multiply
    2,340.59x = 3,511.28 × 880.16
  4. Step 4: Simplify right side
    2,340.59x = 3,090,472.85
  5. Step 5: Solve for x
    x = 3,090,472.85/2,340.59
  6. Step 6: Final answer
    x = 1,320.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.