Home / 2,046.66-2,823.39-1,338.21

Finding the Fourth Proportional to 2,046.66, 2,823.39 and 1,338.21

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Solution

The fourth proportional to 2,046.66, 2,823.39 and 1,338.21 is: 1,846.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.66 : 2,823.39 = 1,338.21 : x
  2. Step 2: Convert to fraction form
    2,046.66/2,823.39 = 1,338.21/x
  3. Step 3: Cross multiply
    2,046.66x = 2,823.39 × 1,338.21
  4. Step 4: Simplify right side
    2,046.66x = 3,778,288.73
  5. Step 5: Solve for x
    x = 3,778,288.73/2,046.66
  6. Step 6: Final answer
    x = 1,846.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.