Home / 3,517.07-4,855.50-2,399.67

Finding the Fourth Proportional to 3,517.07, 4,855.50 and 2,399.67

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Solution

The fourth proportional to 3,517.07, 4,855.50 and 2,399.67 is: 3,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.07 : 4,855.50 = 2,399.67 : x
  2. Step 2: Convert to fraction form
    3,517.07/4,855.50 = 2,399.67/x
  3. Step 3: Cross multiply
    3,517.07x = 4,855.50 × 2,399.67
  4. Step 4: Simplify right side
    3,517.07x = 11,651,597.69
  5. Step 5: Solve for x
    x = 11,651,597.69/3,517.07
  6. Step 6: Final answer
    x = 3,312.88

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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.