Home / 2,027.64-2,798.28-1,242.12

Finding the Fourth Proportional to 2,027.64, 2,798.28 and 1,242.12

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Solution

The fourth proportional to 2,027.64, 2,798.28 and 1,242.12 is: 1,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.64 : 2,798.28 = 1,242.12 : x
  2. Step 2: Convert to fraction form
    2,027.64/2,798.28 = 1,242.12/x
  3. Step 3: Cross multiply
    2,027.64x = 2,798.28 × 1,242.12
  4. Step 4: Simplify right side
    2,027.64x = 3,475,799.55
  5. Step 5: Solve for x
    x = 3,475,799.55/2,027.64
  6. Step 6: Final answer
    x = 1,714.21

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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.