Home / 1,680.45-2,519.16-584.07

Finding the Fourth Proportional to 1,680.45, 2,519.16 and 584.07

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Solution

The fourth proportional to 1,680.45, 2,519.16 and 584.07 is: 875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680.45 : 2,519.16 = 584.07 : x
  2. Step 2: Convert to fraction form
    1,680.45/2,519.16 = 584.07/x
  3. Step 3: Cross multiply
    1,680.45x = 2,519.16 × 584.07
  4. Step 4: Simplify right side
    1,680.45x = 1,471,365.78
  5. Step 5: Solve for x
    x = 1,471,365.78/1,680.45
  6. Step 6: Final answer
    x = 875.58

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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.