Home / 2,383.20-3,576.02-1,135.20

Finding the Fourth Proportional to 2,383.20, 3,576.02 and 1,135.20

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Solution

The fourth proportional to 2,383.20, 3,576.02 and 1,135.20 is: 1,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.20 : 3,576.02 = 1,135.20 : x
  2. Step 2: Convert to fraction form
    2,383.20/3,576.02 = 1,135.20/x
  3. Step 3: Cross multiply
    2,383.20x = 3,576.02 × 1,135.20
  4. Step 4: Simplify right side
    2,383.20x = 4,059,497.90
  5. Step 5: Solve for x
    x = 4,059,497.90/2,383.20
  6. Step 6: Final answer
    x = 1,703.38

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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.