Home / 3,937.36-5,427.66-2,608.74

Finding the Fourth Proportional to 3,937.36, 5,427.66 and 2,608.74

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Solution

The fourth proportional to 3,937.36, 5,427.66 and 2,608.74 is: 3,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.36 : 5,427.66 = 2,608.74 : x
  2. Step 2: Convert to fraction form
    3,937.36/5,427.66 = 2,608.74/x
  3. Step 3: Cross multiply
    3,937.36x = 5,427.66 × 2,608.74
  4. Step 4: Simplify right side
    3,937.36x = 14,159,353.75
  5. Step 5: Solve for x
    x = 14,159,353.75/3,937.36
  6. Step 6: Final answer
    x = 3,596.15

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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.