Home / 2,177.56-3,268.76-1,206.04

Finding the Fourth Proportional to 2,177.56, 3,268.76 and 1,206.04

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Solution

The fourth proportional to 2,177.56, 3,268.76 and 1,206.04 is: 1,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.56 : 3,268.76 = 1,206.04 : x
  2. Step 2: Convert to fraction form
    2,177.56/3,268.76 = 1,206.04/x
  3. Step 3: Cross multiply
    2,177.56x = 3,268.76 × 1,206.04
  4. Step 4: Simplify right side
    2,177.56x = 3,942,255.31
  5. Step 5: Solve for x
    x = 3,942,255.31/2,177.56
  6. Step 6: Final answer
    x = 1,810.40

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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.