Home / 2,641.91-3,647.45-1,895.27

Finding the Fourth Proportional to 2,641.91, 3,647.45 and 1,895.27

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Solution

The fourth proportional to 2,641.91, 3,647.45 and 1,895.27 is: 2,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,641.91 : 3,647.45 = 1,895.27 : x
  2. Step 2: Convert to fraction form
    2,641.91/3,647.45 = 1,895.27/x
  3. Step 3: Cross multiply
    2,641.91x = 3,647.45 × 1,895.27
  4. Step 4: Simplify right side
    2,641.91x = 6,912,889.06
  5. Step 5: Solve for x
    x = 6,912,889.06/2,641.91
  6. Step 6: Final answer
    x = 2,616.63

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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.