Home / 3,113.78-4,670.66-1,814.33

Finding the Fourth Proportional to 3,113.78, 4,670.66 and 1,814.33

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Solution

The fourth proportional to 3,113.78, 4,670.66 and 1,814.33 is: 2,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.78 : 4,670.66 = 1,814.33 : x
  2. Step 2: Convert to fraction form
    3,113.78/4,670.66 = 1,814.33/x
  3. Step 3: Cross multiply
    3,113.78x = 4,670.66 × 1,814.33
  4. Step 4: Simplify right side
    3,113.78x = 8,474,086.13
  5. Step 5: Solve for x
    x = 8,474,086.13/3,113.78
  6. Step 6: Final answer
    x = 2,721.48

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Similar ratio
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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.