Home / 2,047.11-3,069.72-1,225.77

Finding the Fourth Proportional to 2,047.11, 3,069.72 and 1,225.77

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Solution

The fourth proportional to 2,047.11, 3,069.72 and 1,225.77 is: 1,838.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.11 : 3,069.72 = 1,225.77 : x
  2. Step 2: Convert to fraction form
    2,047.11/3,069.72 = 1,225.77/x
  3. Step 3: Cross multiply
    2,047.11x = 3,069.72 × 1,225.77
  4. Step 4: Simplify right side
    2,047.11x = 3,762,770.68
  5. Step 5: Solve for x
    x = 3,762,770.68/2,047.11
  6. Step 6: Final answer
    x = 1,838.09

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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.