Home / 4,231.50-5,839.74-2,812.74

Finding the Fourth Proportional to 4,231.50, 5,839.74 and 2,812.74

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Solution

The fourth proportional to 4,231.50, 5,839.74 and 2,812.74 is: 3,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.50 : 5,839.74 = 2,812.74 : x
  2. Step 2: Convert to fraction form
    4,231.50/5,839.74 = 2,812.74/x
  3. Step 3: Cross multiply
    4,231.50x = 5,839.74 × 2,812.74
  4. Step 4: Simplify right side
    4,231.50x = 16,425,670.29
  5. Step 5: Solve for x
    x = 16,425,670.29/4,231.50
  6. Step 6: Final answer
    x = 3,881.76

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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.