Home / 2,756.46-3,802.23-1,969.14

Finding the Fourth Proportional to 2,756.46, 3,802.23 and 1,969.14

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Solution

The fourth proportional to 2,756.46, 3,802.23 and 1,969.14 is: 2,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.46 : 3,802.23 = 1,969.14 : x
  2. Step 2: Convert to fraction form
    2,756.46/3,802.23 = 1,969.14/x
  3. Step 3: Cross multiply
    2,756.46x = 3,802.23 × 1,969.14
  4. Step 4: Simplify right side
    2,756.46x = 7,487,123.18
  5. Step 5: Solve for x
    x = 7,487,123.18/2,756.46
  6. Step 6: Final answer
    x = 2,716.21

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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.