Home / 1,788.17-2,463.70-1,338.02

Finding the Fourth Proportional to 1,788.17, 2,463.70 and 1,338.02

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Solution

The fourth proportional to 1,788.17, 2,463.70 and 1,338.02 is: 1,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.17 : 2,463.70 = 1,338.02 : x
  2. Step 2: Convert to fraction form
    1,788.17/2,463.70 = 1,338.02/x
  3. Step 3: Cross multiply
    1,788.17x = 2,463.70 × 1,338.02
  4. Step 4: Simplify right side
    1,788.17x = 3,296,460.87
  5. Step 5: Solve for x
    x = 3,296,460.87/1,788.17
  6. Step 6: Final answer
    x = 1,843.48

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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.