Home / 2,983.58-4,117.29-1,724.62

Finding the Fourth Proportional to 2,983.58, 4,117.29 and 1,724.62

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Solution

The fourth proportional to 2,983.58, 4,117.29 and 1,724.62 is: 2,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.58 : 4,117.29 = 1,724.62 : x
  2. Step 2: Convert to fraction form
    2,983.58/4,117.29 = 1,724.62/x
  3. Step 3: Cross multiply
    2,983.58x = 4,117.29 × 1,724.62
  4. Step 4: Simplify right side
    2,983.58x = 7,100,760.68
  5. Step 5: Solve for x
    x = 7,100,760.68/2,983.58
  6. Step 6: Final answer
    x = 2,379.95

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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.