Home / 3,949.45-5,451.03-2,602.69

Finding the Fourth Proportional to 3,949.45, 5,451.03 and 2,602.69

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Solution

The fourth proportional to 3,949.45, 5,451.03 and 2,602.69 is: 3,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.45 : 5,451.03 = 2,602.69 : x
  2. Step 2: Convert to fraction form
    3,949.45/5,451.03 = 2,602.69/x
  3. Step 3: Cross multiply
    3,949.45x = 5,451.03 × 2,602.69
  4. Step 4: Simplify right side
    3,949.45x = 14,187,341.27
  5. Step 5: Solve for x
    x = 14,187,341.27/3,949.45
  6. Step 6: Final answer
    x = 3,592.23

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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.