Home / 4,128.71-5,695.77-2,450.18

Finding the Fourth Proportional to 4,128.71, 5,695.77 and 2,450.18

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Solution

The fourth proportional to 4,128.71, 5,695.77 and 2,450.18 is: 3,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.71 : 5,695.77 = 2,450.18 : x
  2. Step 2: Convert to fraction form
    4,128.71/5,695.77 = 2,450.18/x
  3. Step 3: Cross multiply
    4,128.71x = 5,695.77 × 2,450.18
  4. Step 4: Simplify right side
    4,128.71x = 13,955,675.98
  5. Step 5: Solve for x
    x = 13,955,675.98/4,128.71
  6. Step 6: Final answer
    x = 3,380.16

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1.5x scale

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.