Home / 2,226.96-3,337.91-1,129.01

Finding the Fourth Proportional to 2,226.96, 3,337.91 and 1,129.01

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Solution

The fourth proportional to 2,226.96, 3,337.91 and 1,129.01 is: 1,692.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.96 : 3,337.91 = 1,129.01 : x
  2. Step 2: Convert to fraction form
    2,226.96/3,337.91 = 1,129.01/x
  3. Step 3: Cross multiply
    2,226.96x = 3,337.91 × 1,129.01
  4. Step 4: Simplify right side
    2,226.96x = 3,768,515.67
  5. Step 5: Solve for x
    x = 3,768,515.67/2,226.96
  6. Step 6: Final answer
    x = 1,692.22

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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.