Home / 1,371.43-2,054.87-1,006.32

Finding the Fourth Proportional to 1,371.43, 2,054.87 and 1,006.32

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Solution

The fourth proportional to 1,371.43, 2,054.87 and 1,006.32 is: 1,507.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.43 : 2,054.87 = 1,006.32 : x
  2. Step 2: Convert to fraction form
    1,371.43/2,054.87 = 1,006.32/x
  3. Step 3: Cross multiply
    1,371.43x = 2,054.87 × 1,006.32
  4. Step 4: Simplify right side
    1,371.43x = 2,067,863.23
  5. Step 5: Solve for x
    x = 2,067,863.23/1,371.43
  6. Step 6: Final answer
    x = 1,507.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.