Home / 3,127.36-4,315.68-1,711.04

Finding the Fourth Proportional to 3,127.36, 4,315.68 and 1,711.04

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Solution

The fourth proportional to 3,127.36, 4,315.68 and 1,711.04 is: 2,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.36 : 4,315.68 = 1,711.04 : x
  2. Step 2: Convert to fraction form
    3,127.36/4,315.68 = 1,711.04/x
  3. Step 3: Cross multiply
    3,127.36x = 4,315.68 × 1,711.04
  4. Step 4: Simplify right side
    3,127.36x = 7,384,279.53
  5. Step 5: Solve for x
    x = 7,384,279.53/3,127.36
  6. Step 6: Final answer
    x = 2,361.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.