Home / 3,257.50-4,858.79-2,731.40

Finding the Fourth Proportional to 3,257.50, 4,858.79 and 2,731.40

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Solution

The fourth proportional to 3,257.50, 4,858.79 and 2,731.40 is: 4,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.50 : 4,858.79 = 2,731.40 : x
  2. Step 2: Convert to fraction form
    3,257.50/4,858.79 = 2,731.40/x
  3. Step 3: Cross multiply
    3,257.50x = 4,858.79 × 2,731.40
  4. Step 4: Simplify right side
    3,257.50x = 13,271,299.01
  5. Step 5: Solve for x
    x = 13,271,299.01/3,257.50
  6. Step 6: Final answer
    x = 4,074.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.