Home / 2,027.76-2,798.17-1,231.26

Finding the Fourth Proportional to 2,027.76, 2,798.17 and 1,231.26

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Solution

The fourth proportional to 2,027.76, 2,798.17 and 1,231.26 is: 1,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.76 : 2,798.17 = 1,231.26 : x
  2. Step 2: Convert to fraction form
    2,027.76/2,798.17 = 1,231.26/x
  3. Step 3: Cross multiply
    2,027.76x = 2,798.17 × 1,231.26
  4. Step 4: Simplify right side
    2,027.76x = 3,445,274.79
  5. Step 5: Solve for x
    x = 3,445,274.79/2,027.76
  6. Step 6: Final answer
    x = 1,699.05

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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.