Home / 2,231.30-3,347.63-750.35

Finding the Fourth Proportional to 2,231.30, 3,347.63 and 750.35

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Solution

The fourth proportional to 2,231.30, 3,347.63 and 750.35 is: 1,125.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.30 : 3,347.63 = 750.35 : x
  2. Step 2: Convert to fraction form
    2,231.30/3,347.63 = 750.35/x
  3. Step 3: Cross multiply
    2,231.30x = 3,347.63 × 750.35
  4. Step 4: Simplify right side
    2,231.30x = 2,511,894.17
  5. Step 5: Solve for x
    x = 2,511,894.17/2,231.30
  6. Step 6: Final answer
    x = 1,125.75

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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.