Home / 2,716.27-4,075.11-1,256.47

Finding the Fourth Proportional to 2,716.27, 4,075.11 and 1,256.47

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Solution

The fourth proportional to 2,716.27, 4,075.11 and 1,256.47 is: 1,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.27 : 4,075.11 = 1,256.47 : x
  2. Step 2: Convert to fraction form
    2,716.27/4,075.11 = 1,256.47/x
  3. Step 3: Cross multiply
    2,716.27x = 4,075.11 × 1,256.47
  4. Step 4: Simplify right side
    2,716.27x = 5,120,253.46
  5. Step 5: Solve for x
    x = 5,120,253.46/2,716.27
  6. Step 6: Final answer
    x = 1,885.03

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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.