Home / 3,892.31-5,372.93-2,632.76

Finding the Fourth Proportional to 3,892.31, 5,372.93 and 2,632.76

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Solution

The fourth proportional to 3,892.31, 5,372.93 and 2,632.76 is: 3,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.31 : 5,372.93 = 2,632.76 : x
  2. Step 2: Convert to fraction form
    3,892.31/5,372.93 = 2,632.76/x
  3. Step 3: Cross multiply
    3,892.31x = 5,372.93 × 2,632.76
  4. Step 4: Simplify right side
    3,892.31x = 14,145,635.19
  5. Step 5: Solve for x
    x = 14,145,635.19/3,892.31
  6. Step 6: Final answer
    x = 3,634.25

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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.