Home / 1,816.11-2,721.33-1,035.15

Finding the Fourth Proportional to 1,816.11, 2,721.33 and 1,035.15

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Solution

The fourth proportional to 1,816.11, 2,721.33 and 1,035.15 is: 1,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.11 : 2,721.33 = 1,035.15 : x
  2. Step 2: Convert to fraction form
    1,816.11/2,721.33 = 1,035.15/x
  3. Step 3: Cross multiply
    1,816.11x = 2,721.33 × 1,035.15
  4. Step 4: Simplify right side
    1,816.11x = 2,816,984.75
  5. Step 5: Solve for x
    x = 2,816,984.75/1,816.11
  6. Step 6: Final answer
    x = 1,551.11

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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.