Home / 2,542.21-3,799.78-2,210.47

Finding the Fourth Proportional to 2,542.21, 3,799.78 and 2,210.47

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Solution

The fourth proportional to 2,542.21, 3,799.78 and 2,210.47 is: 3,303.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.21 : 3,799.78 = 2,210.47 : x
  2. Step 2: Convert to fraction form
    2,542.21/3,799.78 = 2,210.47/x
  3. Step 3: Cross multiply
    2,542.21x = 3,799.78 × 2,210.47
  4. Step 4: Simplify right side
    2,542.21x = 8,399,299.70
  5. Step 5: Solve for x
    x = 8,399,299.70/2,542.21
  6. Step 6: Final answer
    x = 3,303.94

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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.