Home / 3,515.87-4,851.68-1,943.97

Finding the Fourth Proportional to 3,515.87, 4,851.68 and 1,943.97

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Solution

The fourth proportional to 3,515.87, 4,851.68 and 1,943.97 is: 2,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.87 : 4,851.68 = 1,943.97 : x
  2. Step 2: Convert to fraction form
    3,515.87/4,851.68 = 1,943.97/x
  3. Step 3: Cross multiply
    3,515.87x = 4,851.68 × 1,943.97
  4. Step 4: Simplify right side
    3,515.87x = 9,431,510.65
  5. Step 5: Solve for x
    x = 9,431,510.65/3,515.87
  6. Step 6: Final answer
    x = 2,682.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.