Home / 2,247.11-3,367.43-1,271.20

Finding the Fourth Proportional to 2,247.11, 3,367.43 and 1,271.20

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Solution

The fourth proportional to 2,247.11, 3,367.43 and 1,271.20 is: 1,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.11 : 3,367.43 = 1,271.20 : x
  2. Step 2: Convert to fraction form
    2,247.11/3,367.43 = 1,271.20/x
  3. Step 3: Cross multiply
    2,247.11x = 3,367.43 × 1,271.20
  4. Step 4: Simplify right side
    2,247.11x = 4,280,653.82
  5. Step 5: Solve for x
    x = 4,280,653.82/2,247.11
  6. Step 6: Final answer
    x = 1,904.96

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1.5x scale

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.