Home / 2,685.40-4,029.41-1,516.66

Finding the Fourth Proportional to 2,685.40, 4,029.41 and 1,516.66

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Solution

The fourth proportional to 2,685.40, 4,029.41 and 1,516.66 is: 2,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.40 : 4,029.41 = 1,516.66 : x
  2. Step 2: Convert to fraction form
    2,685.40/4,029.41 = 1,516.66/x
  3. Step 3: Cross multiply
    2,685.40x = 4,029.41 × 1,516.66
  4. Step 4: Simplify right side
    2,685.40x = 6,111,244.97
  5. Step 5: Solve for x
    x = 6,111,244.97/2,685.40
  6. Step 6: Final answer
    x = 2,275.73

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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.