Home / 2,188.17-3,017.66-1,969.47

Finding the Fourth Proportional to 2,188.17, 3,017.66 and 1,969.47

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Solution

The fourth proportional to 2,188.17, 3,017.66 and 1,969.47 is: 2,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188.17 : 3,017.66 = 1,969.47 : x
  2. Step 2: Convert to fraction form
    2,188.17/3,017.66 = 1,969.47/x
  3. Step 3: Cross multiply
    2,188.17x = 3,017.66 × 1,969.47
  4. Step 4: Simplify right side
    2,188.17x = 5,943,180.99
  5. Step 5: Solve for x
    x = 5,943,180.99/2,188.17
  6. Step 6: Final answer
    x = 2,716.05

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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.