Home / 3,298.50-4,551.32-1,971.92

Finding the Fourth Proportional to 3,298.50, 4,551.32 and 1,971.92

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Solution

The fourth proportional to 3,298.50, 4,551.32 and 1,971.92 is: 2,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.50 : 4,551.32 = 1,971.92 : x
  2. Step 2: Convert to fraction form
    3,298.50/4,551.32 = 1,971.92/x
  3. Step 3: Cross multiply
    3,298.50x = 4,551.32 × 1,971.92
  4. Step 4: Simplify right side
    3,298.50x = 8,974,838.93
  5. Step 5: Solve for x
    x = 8,974,838.93/3,298.50
  6. Step 6: Final answer
    x = 2,720.88

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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.