Home / 3,314.25-4,971.12-1,926.70

Finding the Fourth Proportional to 3,314.25, 4,971.12 and 1,926.70

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Solution

The fourth proportional to 3,314.25, 4,971.12 and 1,926.70 is: 2,889.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.25 : 4,971.12 = 1,926.70 : x
  2. Step 2: Convert to fraction form
    3,314.25/4,971.12 = 1,926.70/x
  3. Step 3: Cross multiply
    3,314.25x = 4,971.12 × 1,926.70
  4. Step 4: Simplify right side
    3,314.25x = 9,577,837.25
  5. Step 5: Solve for x
    x = 9,577,837.25/3,314.25
  6. Step 6: Final answer
    x = 2,889.90

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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.