Home / 3,908.08-5,394.90-2,493.66

Finding the Fourth Proportional to 3,908.08, 5,394.90 and 2,493.66

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Solution

The fourth proportional to 3,908.08, 5,394.90 and 2,493.66 is: 3,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.08 : 5,394.90 = 2,493.66 : x
  2. Step 2: Convert to fraction form
    3,908.08/5,394.90 = 2,493.66/x
  3. Step 3: Cross multiply
    3,908.08x = 5,394.90 × 2,493.66
  4. Step 4: Simplify right side
    3,908.08x = 13,453,075.92
  5. Step 5: Solve for x
    x = 13,453,075.92/3,908.08
  6. Step 6: Final answer
    x = 3,442.37

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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.