Home / 2,767.23-4,152.48-1,123.65

Finding the Fourth Proportional to 2,767.23, 4,152.48 and 1,123.65

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Solution

The fourth proportional to 2,767.23, 4,152.48 and 1,123.65 is: 1,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.23 : 4,152.48 = 1,123.65 : x
  2. Step 2: Convert to fraction form
    2,767.23/4,152.48 = 1,123.65/x
  3. Step 3: Cross multiply
    2,767.23x = 4,152.48 × 1,123.65
  4. Step 4: Simplify right side
    2,767.23x = 4,665,934.15
  5. Step 5: Solve for x
    x = 4,665,934.15/2,767.23
  6. Step 6: Final answer
    x = 1,686.14

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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.