Home / 2,203.96-3,306.52-971.62

Finding the Fourth Proportional to 2,203.96, 3,306.52 and 971.62

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Solution

The fourth proportional to 2,203.96, 3,306.52 and 971.62 is: 1,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.96 : 3,306.52 = 971.62 : x
  2. Step 2: Convert to fraction form
    2,203.96/3,306.52 = 971.62/x
  3. Step 3: Cross multiply
    2,203.96x = 3,306.52 × 971.62
  4. Step 4: Simplify right side
    2,203.96x = 3,212,680.96
  5. Step 5: Solve for x
    x = 3,212,680.96/2,203.96
  6. Step 6: Final answer
    x = 1,457.69

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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.