Home / 1,284.26-1,926.99-1,224.72

Finding the Fourth Proportional to 1,284.26, 1,926.99 and 1,224.72

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Solution

The fourth proportional to 1,284.26, 1,926.99 and 1,224.72 is: 1,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284.26 : 1,926.99 = 1,224.72 : x
  2. Step 2: Convert to fraction form
    1,284.26/1,926.99 = 1,224.72/x
  3. Step 3: Cross multiply
    1,284.26x = 1,926.99 × 1,224.72
  4. Step 4: Simplify right side
    1,284.26x = 2,360,023.19
  5. Step 5: Solve for x
    x = 2,360,023.19/1,284.26
  6. Step 6: Final answer
    x = 1,837.66

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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.