Home / 2,889.24-3,988.17-1,711.32

Finding the Fourth Proportional to 2,889.24, 3,988.17 and 1,711.32

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Solution

The fourth proportional to 2,889.24, 3,988.17 and 1,711.32 is: 2,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.24 : 3,988.17 = 1,711.32 : x
  2. Step 2: Convert to fraction form
    2,889.24/3,988.17 = 1,711.32/x
  3. Step 3: Cross multiply
    2,889.24x = 3,988.17 × 1,711.32
  4. Step 4: Simplify right side
    2,889.24x = 6,825,035.08
  5. Step 5: Solve for x
    x = 6,825,035.08/2,889.24
  6. Step 6: Final answer
    x = 2,362.23

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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.