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Finding the Fourth Proportional to 1,746.32, 2,617.32 and 880.88

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Solution

The fourth proportional to 1,746.32, 2,617.32 and 880.88 is: 1,320.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.32 : 2,617.32 = 880.88 : x
  2. Step 2: Convert to fraction form
    1,746.32/2,617.32 = 880.88/x
  3. Step 3: Cross multiply
    1,746.32x = 2,617.32 × 880.88
  4. Step 4: Simplify right side
    1,746.32x = 2,305,544.84
  5. Step 5: Solve for x
    x = 2,305,544.84/1,746.32
  6. Step 6: Final answer
    x = 1,320.23

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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.