Home / 2,383.16-3,575.34-921.92

Finding the Fourth Proportional to 2,383.16, 3,575.34 and 921.92

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Solution

The fourth proportional to 2,383.16, 3,575.34 and 921.92 is: 1,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.16 : 3,575.34 = 921.92 : x
  2. Step 2: Convert to fraction form
    2,383.16/3,575.34 = 921.92/x
  3. Step 3: Cross multiply
    2,383.16x = 3,575.34 × 921.92
  4. Step 4: Simplify right side
    2,383.16x = 3,296,177.45
  5. Step 5: Solve for x
    x = 3,296,177.45/2,383.16
  6. Step 6: Final answer
    x = 1,383.11

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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.