Home / 2,027.30-2,797.63-1,143.10

Finding the Fourth Proportional to 2,027.30, 2,797.63 and 1,143.10

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Solution

The fourth proportional to 2,027.30, 2,797.63 and 1,143.10 is: 1,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.30 : 2,797.63 = 1,143.10 : x
  2. Step 2: Convert to fraction form
    2,027.30/2,797.63 = 1,143.10/x
  3. Step 3: Cross multiply
    2,027.30x = 2,797.63 × 1,143.10
  4. Step 4: Simplify right side
    2,027.30x = 3,197,963.86
  5. Step 5: Solve for x
    x = 3,197,963.86/2,027.30
  6. Step 6: Final answer
    x = 1,577.45

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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.