Home / 2,887.23-4,326.79-1,242.54

Finding the Fourth Proportional to 2,887.23, 4,326.79 and 1,242.54

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Solution

The fourth proportional to 2,887.23, 4,326.79 and 1,242.54 is: 1,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.23 : 4,326.79 = 1,242.54 : x
  2. Step 2: Convert to fraction form
    2,887.23/4,326.79 = 1,242.54/x
  3. Step 3: Cross multiply
    2,887.23x = 4,326.79 × 1,242.54
  4. Step 4: Simplify right side
    2,887.23x = 5,376,209.65
  5. Step 5: Solve for x
    x = 5,376,209.65/2,887.23
  6. Step 6: Final answer
    x = 1,862.06

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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.