Home / 1,642.11-2,268.39-1,494.51

Finding the Fourth Proportional to 1,642.11, 2,268.39 and 1,494.51

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Solution

The fourth proportional to 1,642.11, 2,268.39 and 1,494.51 is: 2,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.11 : 2,268.39 = 1,494.51 : x
  2. Step 2: Convert to fraction form
    1,642.11/2,268.39 = 1,494.51/x
  3. Step 3: Cross multiply
    1,642.11x = 2,268.39 × 1,494.51
  4. Step 4: Simplify right side
    1,642.11x = 3,390,131.54
  5. Step 5: Solve for x
    x = 3,390,131.54/1,642.11
  6. Step 6: Final answer
    x = 2,064.50

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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.