Home / 2,153.17-3,227.05-1,165.95

Finding the Fourth Proportional to 2,153.17, 3,227.05 and 1,165.95

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Solution

The fourth proportional to 2,153.17, 3,227.05 and 1,165.95 is: 1,747.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,153.17 : 3,227.05 = 1,165.95 : x
  2. Step 2: Convert to fraction form
    2,153.17/3,227.05 = 1,165.95/x
  3. Step 3: Cross multiply
    2,153.17x = 3,227.05 × 1,165.95
  4. Step 4: Simplify right side
    2,153.17x = 3,762,578.95
  5. Step 5: Solve for x
    x = 3,762,578.95/2,153.17
  6. Step 6: Final answer
    x = 1,747.46

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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.