Home / 2,411.85-3,617.75-1,927.97

Finding the Fourth Proportional to 2,411.85, 3,617.75 and 1,927.97

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Solution

The fourth proportional to 2,411.85, 3,617.75 and 1,927.97 is: 2,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,411.85 : 3,617.75 = 1,927.97 : x
  2. Step 2: Convert to fraction form
    2,411.85/3,617.75 = 1,927.97/x
  3. Step 3: Cross multiply
    2,411.85x = 3,617.75 × 1,927.97
  4. Step 4: Simplify right side
    2,411.85x = 6,974,900.20
  5. Step 5: Solve for x
    x = 6,974,900.20/2,411.85
  6. Step 6: Final answer
    x = 2,891.93

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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.