Home / 1,867.22-2,580.36-1,512.44

Finding the Fourth Proportional to 1,867.22, 2,580.36 and 1,512.44

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Solution

The fourth proportional to 1,867.22, 2,580.36 and 1,512.44 is: 2,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.22 : 2,580.36 = 1,512.44 : x
  2. Step 2: Convert to fraction form
    1,867.22/2,580.36 = 1,512.44/x
  3. Step 3: Cross multiply
    1,867.22x = 2,580.36 × 1,512.44
  4. Step 4: Simplify right side
    1,867.22x = 3,902,639.68
  5. Step 5: Solve for x
    x = 3,902,639.68/1,867.22
  6. Step 6: Final answer
    x = 2,090.08

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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.