Home / 2,184.60-3,271.26-1,209.56

Finding the Fourth Proportional to 2,184.60, 3,271.26 and 1,209.56

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Solution

The fourth proportional to 2,184.60, 3,271.26 and 1,209.56 is: 1,811.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.60 : 3,271.26 = 1,209.56 : x
  2. Step 2: Convert to fraction form
    2,184.60/3,271.26 = 1,209.56/x
  3. Step 3: Cross multiply
    2,184.60x = 3,271.26 × 1,209.56
  4. Step 4: Simplify right side
    2,184.60x = 3,956,785.25
  5. Step 5: Solve for x
    x = 3,956,785.25/2,184.60
  6. Step 6: Final answer
    x = 1,811.22

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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.