Home / 3,873.72-5,342.19-2,528.11

Finding the Fourth Proportional to 3,873.72, 5,342.19 and 2,528.11

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Solution

The fourth proportional to 3,873.72, 5,342.19 and 2,528.11 is: 3,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.72 : 5,342.19 = 2,528.11 : x
  2. Step 2: Convert to fraction form
    3,873.72/5,342.19 = 2,528.11/x
  3. Step 3: Cross multiply
    3,873.72x = 5,342.19 × 2,528.11
  4. Step 4: Simplify right side
    3,873.72x = 13,505,641.16
  5. Step 5: Solve for x
    x = 13,505,641.16/3,873.72
  6. Step 6: Final answer
    x = 3,486.48

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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.