Home / 2,184.27-3,276.86-723.53

Finding the Fourth Proportional to 2,184.27, 3,276.86 and 723.53

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Solution

The fourth proportional to 2,184.27, 3,276.86 and 723.53 is: 1,085.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.27 : 3,276.86 = 723.53 : x
  2. Step 2: Convert to fraction form
    2,184.27/3,276.86 = 723.53/x
  3. Step 3: Cross multiply
    2,184.27x = 3,276.86 × 723.53
  4. Step 4: Simplify right side
    2,184.27x = 2,370,911.09
  5. Step 5: Solve for x
    x = 2,370,911.09/2,184.27
  6. Step 6: Final answer
    x = 1,085.45

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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.