Home / 3,191.24-4,784.94-1,217

Finding the Fourth Proportional to 3,191.24, 4,784.94 and 1,217

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Solution

The fourth proportional to 3,191.24, 4,784.94 and 1,217 is: 1,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.24 : 4,784.94 = 1,217 : x
  2. Step 2: Convert to fraction form
    3,191.24/4,784.94 = 1,217/x
  3. Step 3: Cross multiply
    3,191.24x = 4,784.94 × 1,217
  4. Step 4: Simplify right side
    3,191.24x = 5,823,271.98
  5. Step 5: Solve for x
    x = 5,823,271.98/3,191.24
  6. Step 6: Final answer
    x = 1,824.77

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Half scale
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Double scale
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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.