Home / 3,240.31-4,856.37-2,801.56

Finding the Fourth Proportional to 3,240.31, 4,856.37 and 2,801.56

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Solution

The fourth proportional to 3,240.31, 4,856.37 and 2,801.56 is: 4,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.31 : 4,856.37 = 2,801.56 : x
  2. Step 2: Convert to fraction form
    3,240.31/4,856.37 = 2,801.56/x
  3. Step 3: Cross multiply
    3,240.31x = 4,856.37 × 2,801.56
  4. Step 4: Simplify right side
    3,240.31x = 13,605,411.94
  5. Step 5: Solve for x
    x = 13,605,411.94/3,240.31
  6. Step 6: Final answer
    x = 4,198.80

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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.