Home / 2,753.65-4,123.41-1,519.69

Finding the Fourth Proportional to 2,753.65, 4,123.41 and 1,519.69

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Solution

The fourth proportional to 2,753.65, 4,123.41 and 1,519.69 is: 2,275.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.65 : 4,123.41 = 1,519.69 : x
  2. Step 2: Convert to fraction form
    2,753.65/4,123.41 = 1,519.69/x
  3. Step 3: Cross multiply
    2,753.65x = 4,123.41 × 1,519.69
  4. Step 4: Simplify right side
    2,753.65x = 6,266,304.94
  5. Step 5: Solve for x
    x = 6,266,304.94/2,753.65
  6. Step 6: Final answer
    x = 2,275.64

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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.