Home / 3,711.42-5,122.71-2,316.06

Finding the Fourth Proportional to 3,711.42, 5,122.71 and 2,316.06

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Solution

The fourth proportional to 3,711.42, 5,122.71 and 2,316.06 is: 3,196.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.42 : 5,122.71 = 2,316.06 : x
  2. Step 2: Convert to fraction form
    3,711.42/5,122.71 = 2,316.06/x
  3. Step 3: Cross multiply
    3,711.42x = 5,122.71 × 2,316.06
  4. Step 4: Simplify right side
    3,711.42x = 11,864,503.72
  5. Step 5: Solve for x
    x = 11,864,503.72/3,711.42
  6. Step 6: Final answer
    x = 3,196.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.