Home / 2,717.04-4,075.80-868.32

Finding the Fourth Proportional to 2,717.04, 4,075.80 and 868.32

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Solution

The fourth proportional to 2,717.04, 4,075.80 and 868.32 is: 1,302.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.04 : 4,075.80 = 868.32 : x
  2. Step 2: Convert to fraction form
    2,717.04/4,075.80 = 868.32/x
  3. Step 3: Cross multiply
    2,717.04x = 4,075.80 × 868.32
  4. Step 4: Simplify right side
    2,717.04x = 3,539,098.66
  5. Step 5: Solve for x
    x = 3,539,098.66/2,717.04
  6. Step 6: Final answer
    x = 1,302.56

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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.