Home / 2,576.31-3,864.99-1,095.53

Finding the Fourth Proportional to 2,576.31, 3,864.99 and 1,095.53

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Solution

The fourth proportional to 2,576.31, 3,864.99 and 1,095.53 is: 1,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.31 : 3,864.99 = 1,095.53 : x
  2. Step 2: Convert to fraction form
    2,576.31/3,864.99 = 1,095.53/x
  3. Step 3: Cross multiply
    2,576.31x = 3,864.99 × 1,095.53
  4. Step 4: Simplify right side
    2,576.31x = 4,234,218.65
  5. Step 5: Solve for x
    x = 4,234,218.65/2,576.31
  6. Step 6: Final answer
    x = 1,643.52

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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.