Home / 3,264.89-4,890.85-2,107.13

Finding the Fourth Proportional to 3,264.89, 4,890.85 and 2,107.13

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Solution

The fourth proportional to 3,264.89, 4,890.85 and 2,107.13 is: 3,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.89 : 4,890.85 = 2,107.13 : x
  2. Step 2: Convert to fraction form
    3,264.89/4,890.85 = 2,107.13/x
  3. Step 3: Cross multiply
    3,264.89x = 4,890.85 × 2,107.13
  4. Step 4: Simplify right side
    3,264.89x = 10,305,627.04
  5. Step 5: Solve for x
    x = 10,305,627.04/3,264.89
  6. Step 6: Final answer
    x = 3,156.51

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1.5x scale

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.