Home / 2,696.81-4,037.90-2,254.55

Finding the Fourth Proportional to 2,696.81, 4,037.90 and 2,254.55

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Solution

The fourth proportional to 2,696.81, 4,037.90 and 2,254.55 is: 3,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.81 : 4,037.90 = 2,254.55 : x
  2. Step 2: Convert to fraction form
    2,696.81/4,037.90 = 2,254.55/x
  3. Step 3: Cross multiply
    2,696.81x = 4,037.90 × 2,254.55
  4. Step 4: Simplify right side
    2,696.81x = 9,103,615.98
  5. Step 5: Solve for x
    x = 9,103,615.98/2,696.81
  6. Step 6: Final answer
    x = 3,375.70

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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.