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Finding the Fourth Proportional to 3,950.95, 5,453.10 and 2,604.19

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Solution

The fourth proportional to 3,950.95, 5,453.10 and 2,604.19 is: 3,594.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.95 : 5,453.10 = 2,604.19 : x
  2. Step 2: Convert to fraction form
    3,950.95/5,453.10 = 2,604.19/x
  3. Step 3: Cross multiply
    3,950.95x = 5,453.10 × 2,604.19
  4. Step 4: Simplify right side
    3,950.95x = 14,200,908.49
  5. Step 5: Solve for x
    x = 14,200,908.49/3,950.95
  6. Step 6: Final answer
    x = 3,594.30

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Half scale
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Double scale
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Similar ratio
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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.