Home / 3,976.42-5,963.28-1,510.65

Finding the Fourth Proportional to 3,976.42, 5,963.28 and 1,510.65

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Solution

The fourth proportional to 3,976.42, 5,963.28 and 1,510.65 is: 2,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.42 : 5,963.28 = 1,510.65 : x
  2. Step 2: Convert to fraction form
    3,976.42/5,963.28 = 1,510.65/x
  3. Step 3: Cross multiply
    3,976.42x = 5,963.28 × 1,510.65
  4. Step 4: Simplify right side
    3,976.42x = 9,008,399.12
  5. Step 5: Solve for x
    x = 9,008,399.12/3,976.42
  6. Step 6: Final answer
    x = 2,265.45

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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.