Home / 3,314.22-4,971.57-1,005.78

Finding the Fourth Proportional to 3,314.22, 4,971.57 and 1,005.78

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Solution

The fourth proportional to 3,314.22, 4,971.57 and 1,005.78 is: 1,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.22 : 4,971.57 = 1,005.78 : x
  2. Step 2: Convert to fraction form
    3,314.22/4,971.57 = 1,005.78/x
  3. Step 3: Cross multiply
    3,314.22x = 4,971.57 × 1,005.78
  4. Step 4: Simplify right side
    3,314.22x = 5,000,305.67
  5. Step 5: Solve for x
    x = 5,000,305.67/3,314.22
  6. Step 6: Final answer
    x = 1,508.74

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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.