Home / 2,716.34-4,075.38-1,256.45

Finding the Fourth Proportional to 2,716.34, 4,075.38 and 1,256.45

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Solution

The fourth proportional to 2,716.34, 4,075.38 and 1,256.45 is: 1,885.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.34 : 4,075.38 = 1,256.45 : x
  2. Step 2: Convert to fraction form
    2,716.34/4,075.38 = 1,256.45/x
  3. Step 3: Cross multiply
    2,716.34x = 4,075.38 × 1,256.45
  4. Step 4: Simplify right side
    2,716.34x = 5,120,490.82
  5. Step 5: Solve for x
    x = 5,120,490.82/2,716.34
  6. Step 6: Final answer
    x = 1,885.07

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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.