Home / 2,083.17-3,117.41-1,964.76

Finding the Fourth Proportional to 2,083.17, 3,117.41 and 1,964.76

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Solution

The fourth proportional to 2,083.17, 3,117.41 and 1,964.76 is: 2,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.17 : 3,117.41 = 1,964.76 : x
  2. Step 2: Convert to fraction form
    2,083.17/3,117.41 = 1,964.76/x
  3. Step 3: Cross multiply
    2,083.17x = 3,117.41 × 1,964.76
  4. Step 4: Simplify right side
    2,083.17x = 6,124,952.65
  5. Step 5: Solve for x
    x = 6,124,952.65/2,083.17
  6. Step 6: Final answer
    x = 2,940.21

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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.