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Finding the Fourth Proportional to 3,393.68, 5,077.77 and 2,007.67

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Solution

The fourth proportional to 3,393.68, 5,077.77 and 2,007.67 is: 3,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.68 : 5,077.77 = 2,007.67 : x
  2. Step 2: Convert to fraction form
    3,393.68/5,077.77 = 2,007.67/x
  3. Step 3: Cross multiply
    3,393.68x = 5,077.77 × 2,007.67
  4. Step 4: Simplify right side
    3,393.68x = 10,194,476.46
  5. Step 5: Solve for x
    x = 10,194,476.46/3,393.68
  6. Step 6: Final answer
    x = 3,003.96

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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.