Home / 1,872.96-2,585.04-1,127.52

Finding the Fourth Proportional to 1,872.96, 2,585.04 and 1,127.52

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Solution

The fourth proportional to 1,872.96, 2,585.04 and 1,127.52 is: 1,556.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.96 : 2,585.04 = 1,127.52 : x
  2. Step 2: Convert to fraction form
    1,872.96/2,585.04 = 1,127.52/x
  3. Step 3: Cross multiply
    1,872.96x = 2,585.04 × 1,127.52
  4. Step 4: Simplify right side
    1,872.96x = 2,914,684.30
  5. Step 5: Solve for x
    x = 2,914,684.30/1,872.96
  6. Step 6: Final answer
    x = 1,556.19

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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.