Home / 3,832.48-5,291.40-2,575.40

Finding the Fourth Proportional to 3,832.48, 5,291.40 and 2,575.40

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Solution

The fourth proportional to 3,832.48, 5,291.40 and 2,575.40 is: 3,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.48 : 5,291.40 = 2,575.40 : x
  2. Step 2: Convert to fraction form
    3,832.48/5,291.40 = 2,575.40/x
  3. Step 3: Cross multiply
    3,832.48x = 5,291.40 × 2,575.40
  4. Step 4: Simplify right side
    3,832.48x = 13,627,471.56
  5. Step 5: Solve for x
    x = 13,627,471.56/3,832.48
  6. Step 6: Final answer
    x = 3,555.78

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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.