Home / 2,046.90-2,822.77-1,338.51

Finding the Fourth Proportional to 2,046.90, 2,822.77 and 1,338.51

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Solution

The fourth proportional to 2,046.90, 2,822.77 and 1,338.51 is: 1,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.90 : 2,822.77 = 1,338.51 : x
  2. Step 2: Convert to fraction form
    2,046.90/2,822.77 = 1,338.51/x
  3. Step 3: Cross multiply
    2,046.90x = 2,822.77 × 1,338.51
  4. Step 4: Simplify right side
    2,046.90x = 3,778,309.46
  5. Step 5: Solve for x
    x = 3,778,309.46/2,046.90
  6. Step 6: Final answer
    x = 1,845.87

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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.