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Finding the Fourth Proportional to 1,730.32, 2,593.32 and 864.88

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Solution

The fourth proportional to 1,730.32, 2,593.32 and 864.88 is: 1,296.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.32 : 2,593.32 = 864.88 : x
  2. Step 2: Convert to fraction form
    1,730.32/2,593.32 = 864.88/x
  3. Step 3: Cross multiply
    1,730.32x = 2,593.32 × 864.88
  4. Step 4: Simplify right side
    1,730.32x = 2,242,910.60
  5. Step 5: Solve for x
    x = 2,242,910.60/1,730.32
  6. Step 6: Final answer
    x = 1,296.24

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1.5x scale

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.