Home / 1,822.17-2,730.33-1,091.40

Finding the Fourth Proportional to 1,822.17, 2,730.33 and 1,091.40

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Solution

The fourth proportional to 1,822.17, 2,730.33 and 1,091.40 is: 1,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822.17 : 2,730.33 = 1,091.40 : x
  2. Step 2: Convert to fraction form
    1,822.17/2,730.33 = 1,091.40/x
  3. Step 3: Cross multiply
    1,822.17x = 2,730.33 × 1,091.40
  4. Step 4: Simplify right side
    1,822.17x = 2,979,882.16
  5. Step 5: Solve for x
    x = 2,979,882.16/1,822.17
  6. Step 6: Final answer
    x = 1,635.35

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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.