Home / 2,027.30-2,797.47-1,143.05

Finding the Fourth Proportional to 2,027.30, 2,797.47 and 1,143.05

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Solution

The fourth proportional to 2,027.30, 2,797.47 and 1,143.05 is: 1,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.30 : 2,797.47 = 1,143.05 : x
  2. Step 2: Convert to fraction form
    2,027.30/2,797.47 = 1,143.05/x
  3. Step 3: Cross multiply
    2,027.30x = 2,797.47 × 1,143.05
  4. Step 4: Simplify right side
    2,027.30x = 3,197,634.10
  5. Step 5: Solve for x
    x = 3,197,634.10/2,027.30
  6. Step 6: Final answer
    x = 1,577.29

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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.