Home / 4,231.47-5,837.47-2,739.88

Finding the Fourth Proportional to 4,231.47, 5,837.47 and 2,739.88

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Solution

The fourth proportional to 4,231.47, 5,837.47 and 2,739.88 is: 3,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,231.47 : 5,837.47 = 2,739.88 : x
  2. Step 2: Convert to fraction form
    4,231.47/5,837.47 = 2,739.88/x
  3. Step 3: Cross multiply
    4,231.47x = 5,837.47 × 2,739.88
  4. Step 4: Simplify right side
    4,231.47x = 15,993,967.30
  5. Step 5: Solve for x
    x = 15,993,967.30/4,231.47
  6. Step 6: Final answer
    x = 3,779.77

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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.