Home / 2,231.12-3,346.54-587.77

Finding the Fourth Proportional to 2,231.12, 3,346.54 and 587.77

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Solution

The fourth proportional to 2,231.12, 3,346.54 and 587.77 is: 881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.12 : 3,346.54 = 587.77 : x
  2. Step 2: Convert to fraction form
    2,231.12/3,346.54 = 587.77/x
  3. Step 3: Cross multiply
    2,231.12x = 3,346.54 × 587.77
  4. Step 4: Simplify right side
    2,231.12x = 1,966,995.82
  5. Step 5: Solve for x
    x = 1,966,995.82/2,231.12
  6. Step 6: Final answer
    x = 881.62

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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.