Home / 2,638.16-3,950.48-2,560.28

Finding the Fourth Proportional to 2,638.16, 3,950.48 and 2,560.28

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Solution

The fourth proportional to 2,638.16, 3,950.48 and 2,560.28 is: 3,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.16 : 3,950.48 = 2,560.28 : x
  2. Step 2: Convert to fraction form
    2,638.16/3,950.48 = 2,560.28/x
  3. Step 3: Cross multiply
    2,638.16x = 3,950.48 × 2,560.28
  4. Step 4: Simplify right side
    2,638.16x = 10,114,334.93
  5. Step 5: Solve for x
    x = 10,114,334.93/2,638.16
  6. Step 6: Final answer
    x = 3,833.86

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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.