Home / 2,184.58-3,276.88-723.85

Finding the Fourth Proportional to 2,184.58, 3,276.88 and 723.85

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Solution

The fourth proportional to 2,184.58, 3,276.88 and 723.85 is: 1,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.58 : 3,276.88 = 723.85 : x
  2. Step 2: Convert to fraction form
    2,184.58/3,276.88 = 723.85/x
  3. Step 3: Cross multiply
    2,184.58x = 3,276.88 × 723.85
  4. Step 4: Simplify right side
    2,184.58x = 2,371,959.59
  5. Step 5: Solve for x
    x = 2,371,959.59/2,184.58
  6. Step 6: Final answer
    x = 1,085.77

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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.