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Finding the Fourth Proportional to 2,891.54, 4,337.30 and 700.28

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Solution

The fourth proportional to 2,891.54, 4,337.30 and 700.28 is: 1,050.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.54 : 4,337.30 = 700.28 : x
  2. Step 2: Convert to fraction form
    2,891.54/4,337.30 = 700.28/x
  3. Step 3: Cross multiply
    2,891.54x = 4,337.30 × 700.28
  4. Step 4: Simplify right side
    2,891.54x = 3,037,320.94
  5. Step 5: Solve for x
    x = 3,037,320.94/2,891.54
  6. Step 6: Final answer
    x = 1,050.42

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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.