Home / 3,290.97-4,930.99-2,875.44

Finding the Fourth Proportional to 3,290.97, 4,930.99 and 2,875.44

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Solution

The fourth proportional to 3,290.97, 4,930.99 and 2,875.44 is: 4,308.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290.97 : 4,930.99 = 2,875.44 : x
  2. Step 2: Convert to fraction form
    3,290.97/4,930.99 = 2,875.44/x
  3. Step 3: Cross multiply
    3,290.97x = 4,930.99 × 2,875.44
  4. Step 4: Simplify right side
    3,290.97x = 14,178,758.70
  5. Step 5: Solve for x
    x = 14,178,758.70/3,290.97
  6. Step 6: Final answer
    x = 4,308.38

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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.