Home / 1,833.52-2,530.20-1,135.12

Finding the Fourth Proportional to 1,833.52, 2,530.20 and 1,135.12

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Solution

The fourth proportional to 1,833.52, 2,530.20 and 1,135.12 is: 1,566.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,833.52 : 2,530.20 = 1,135.12 : x
  2. Step 2: Convert to fraction form
    1,833.52/2,530.20 = 1,135.12/x
  3. Step 3: Cross multiply
    1,833.52x = 2,530.20 × 1,135.12
  4. Step 4: Simplify right side
    1,833.52x = 2,872,080.62
  5. Step 5: Solve for x
    x = 2,872,080.62/1,833.52
  6. Step 6: Final answer
    x = 1,566.43

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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.