Home / 3,262.31-4,889.14-1,777.72

Finding the Fourth Proportional to 3,262.31, 4,889.14 and 1,777.72

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Solution

The fourth proportional to 3,262.31, 4,889.14 and 1,777.72 is: 2,664.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.31 : 4,889.14 = 1,777.72 : x
  2. Step 2: Convert to fraction form
    3,262.31/4,889.14 = 1,777.72/x
  3. Step 3: Cross multiply
    3,262.31x = 4,889.14 × 1,777.72
  4. Step 4: Simplify right side
    3,262.31x = 8,691,521.96
  5. Step 5: Solve for x
    x = 8,691,521.96/3,262.31
  6. Step 6: Final answer
    x = 2,664.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.