Home / 2,717.19-4,075.65-843.06

Finding the Fourth Proportional to 2,717.19, 4,075.65 and 843.06

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Solution

The fourth proportional to 2,717.19, 4,075.65 and 843.06 is: 1,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.19 : 4,075.65 = 843.06 : x
  2. Step 2: Convert to fraction form
    2,717.19/4,075.65 = 843.06/x
  3. Step 3: Cross multiply
    2,717.19x = 4,075.65 × 843.06
  4. Step 4: Simplify right side
    2,717.19x = 3,436,017.49
  5. Step 5: Solve for x
    x = 3,436,017.49/2,717.19
  6. Step 6: Final answer
    x = 1,264.55

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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.