Home / 1,680.11-2,519.36-584.33

Finding the Fourth Proportional to 1,680.11, 2,519.36 and 584.33

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Solution

The fourth proportional to 1,680.11, 2,519.36 and 584.33 is: 876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.11 : 2,519.36 = 584.33 : x
  2. Step 2: Convert to fraction form
    1,680.11/2,519.36 = 584.33/x
  3. Step 3: Cross multiply
    1,680.11x = 2,519.36 × 584.33
  4. Step 4: Simplify right side
    1,680.11x = 1,472,145.39
  5. Step 5: Solve for x
    x = 1,472,145.39/1,680.11
  6. Step 6: Final answer
    x = 876.22

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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.