Home / 3,184.52-4,778.61-1,236.47

Finding the Fourth Proportional to 3,184.52, 4,778.61 and 1,236.47

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Solution

The fourth proportional to 3,184.52, 4,778.61 and 1,236.47 is: 1,855.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.52 : 4,778.61 = 1,236.47 : x
  2. Step 2: Convert to fraction form
    3,184.52/4,778.61 = 1,236.47/x
  3. Step 3: Cross multiply
    3,184.52x = 4,778.61 × 1,236.47
  4. Step 4: Simplify right side
    3,184.52x = 5,908,615.22
  5. Step 5: Solve for x
    x = 5,908,615.22/3,184.52
  6. Step 6: Final answer
    x = 1,855.42

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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.