Home / 3,313.15-4,564.19-2,839.55

Finding the Fourth Proportional to 3,313.15, 4,564.19 and 2,839.55

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Solution

The fourth proportional to 3,313.15, 4,564.19 and 2,839.55 is: 3,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.15 : 4,564.19 = 2,839.55 : x
  2. Step 2: Convert to fraction form
    3,313.15/4,564.19 = 2,839.55/x
  3. Step 3: Cross multiply
    3,313.15x = 4,564.19 × 2,839.55
  4. Step 4: Simplify right side
    3,313.15x = 12,960,229.99
  5. Step 5: Solve for x
    x = 12,960,229.99/3,313.15
  6. Step 6: Final answer
    x = 3,911.76

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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.