Home / 1,818.05-2,720.95-1,522.85

Finding the Fourth Proportional to 1,818.05, 2,720.95 and 1,522.85

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Solution

The fourth proportional to 1,818.05, 2,720.95 and 1,522.85 is: 2,279.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.05 : 2,720.95 = 1,522.85 : x
  2. Step 2: Convert to fraction form
    1,818.05/2,720.95 = 1,522.85/x
  3. Step 3: Cross multiply
    1,818.05x = 2,720.95 × 1,522.85
  4. Step 4: Simplify right side
    1,818.05x = 4,143,581.30
  5. Step 5: Solve for x
    x = 4,143,581.30/1,818.05
  6. Step 6: Final answer
    x = 2,279.14

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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.