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Finding the Fourth Proportional to 2,598.08, 3,896.24 and 748.70

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Solution

The fourth proportional to 2,598.08, 3,896.24 and 748.70 is: 1,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.08 : 3,896.24 = 748.70 : x
  2. Step 2: Convert to fraction form
    2,598.08/3,896.24 = 748.70/x
  3. Step 3: Cross multiply
    2,598.08x = 3,896.24 × 748.70
  4. Step 4: Simplify right side
    2,598.08x = 2,917,106.27
  5. Step 5: Solve for x
    x = 2,917,106.27/2,598.08
  6. Step 6: Final answer
    x = 1,122.79

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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.