Home / 1,818.13-2,724.40-1,353.73

Finding the Fourth Proportional to 1,818.13, 2,724.40 and 1,353.73

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Solution

The fourth proportional to 1,818.13, 2,724.40 and 1,353.73 is: 2,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.13 : 2,724.40 = 1,353.73 : x
  2. Step 2: Convert to fraction form
    1,818.13/2,724.40 = 1,353.73/x
  3. Step 3: Cross multiply
    1,818.13x = 2,724.40 × 1,353.73
  4. Step 4: Simplify right side
    1,818.13x = 3,688,102.01
  5. Step 5: Solve for x
    x = 3,688,102.01/1,818.13
  6. Step 6: Final answer
    x = 2,028.51

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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.