Home / 2,717.54-4,075.97-868.85

Finding the Fourth Proportional to 2,717.54, 4,075.97 and 868.85

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Solution

The fourth proportional to 2,717.54, 4,075.97 and 868.85 is: 1,303.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.54 : 4,075.97 = 868.85 : x
  2. Step 2: Convert to fraction form
    2,717.54/4,075.97 = 868.85/x
  3. Step 3: Cross multiply
    2,717.54x = 4,075.97 × 868.85
  4. Step 4: Simplify right side
    2,717.54x = 3,541,418.90
  5. Step 5: Solve for x
    x = 3,541,418.90/2,717.54
  6. Step 6: Final answer
    x = 1,303.17

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1.5x scale

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.