Home / 2,027.75-2,798.31-1,242.32

Finding the Fourth Proportional to 2,027.75, 2,798.31 and 1,242.32

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Solution

The fourth proportional to 2,027.75, 2,798.31 and 1,242.32 is: 1,714.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.75 : 2,798.31 = 1,242.32 : x
  2. Step 2: Convert to fraction form
    2,027.75/2,798.31 = 1,242.32/x
  3. Step 3: Cross multiply
    2,027.75x = 2,798.31 × 1,242.32
  4. Step 4: Simplify right side
    2,027.75x = 3,476,396.48
  5. Step 5: Solve for x
    x = 3,476,396.48/2,027.75
  6. Step 6: Final answer
    x = 1,714.41

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1.5x scale

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.