Home / 3,298.47-4,551.15-1,971.96

Finding the Fourth Proportional to 3,298.47, 4,551.15 and 1,971.96

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Solution

The fourth proportional to 3,298.47, 4,551.15 and 1,971.96 is: 2,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.47 : 4,551.15 = 1,971.96 : x
  2. Step 2: Convert to fraction form
    3,298.47/4,551.15 = 1,971.96/x
  3. Step 3: Cross multiply
    3,298.47x = 4,551.15 × 1,971.96
  4. Step 4: Simplify right side
    3,298.47x = 8,974,685.75
  5. Step 5: Solve for x
    x = 8,974,685.75/3,298.47
  6. Step 6: Final answer
    x = 2,720.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.