Home / 1,631.26-2,448.11-1,015.87

Finding the Fourth Proportional to 1,631.26, 2,448.11 and 1,015.87

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Solution

The fourth proportional to 1,631.26, 2,448.11 and 1,015.87 is: 1,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.26 : 2,448.11 = 1,015.87 : x
  2. Step 2: Convert to fraction form
    1,631.26/2,448.11 = 1,015.87/x
  3. Step 3: Cross multiply
    1,631.26x = 2,448.11 × 1,015.87
  4. Step 4: Simplify right side
    1,631.26x = 2,486,961.51
  5. Step 5: Solve for x
    x = 2,486,961.51/1,631.26
  6. Step 6: Final answer
    x = 1,524.56

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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.