Home / 2,184.72-3,277.12-723.88

Finding the Fourth Proportional to 2,184.72, 3,277.12 and 723.88

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Solution

The fourth proportional to 2,184.72, 3,277.12 and 723.88 is: 1,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.72 : 3,277.12 = 723.88 : x
  2. Step 2: Convert to fraction form
    2,184.72/3,277.12 = 723.88/x
  3. Step 3: Cross multiply
    2,184.72x = 3,277.12 × 723.88
  4. Step 4: Simplify right side
    2,184.72x = 2,372,241.63
  5. Step 5: Solve for x
    x = 2,372,241.63/2,184.72
  6. Step 6: Final answer
    x = 1,085.83

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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.