Home / 1,943.22-2,919.60-1,250.16

Finding the Fourth Proportional to 1,943.22, 2,919.60 and 1,250.16

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Solution

The fourth proportional to 1,943.22, 2,919.60 and 1,250.16 is: 1,878.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.22 : 2,919.60 = 1,250.16 : x
  2. Step 2: Convert to fraction form
    1,943.22/2,919.60 = 1,250.16/x
  3. Step 3: Cross multiply
    1,943.22x = 2,919.60 × 1,250.16
  4. Step 4: Simplify right side
    1,943.22x = 3,649,967.14
  5. Step 5: Solve for x
    x = 3,649,967.14/1,943.22
  6. Step 6: Final answer
    x = 1,878.31

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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.