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Finding the Fourth Proportional to 2,399.16, 3,598.92 and 755.70

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Solution

The fourth proportional to 2,399.16, 3,598.92 and 755.70 is: 1,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399.16 : 3,598.92 = 755.70 : x
  2. Step 2: Convert to fraction form
    2,399.16/3,598.92 = 755.70/x
  3. Step 3: Cross multiply
    2,399.16x = 3,598.92 × 755.70
  4. Step 4: Simplify right side
    2,399.16x = 2,719,703.84
  5. Step 5: Solve for x
    x = 2,719,703.84/2,399.16
  6. Step 6: Final answer
    x = 1,133.61

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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.