Home / 2,027.16-2,797.30-1,187.74

Finding the Fourth Proportional to 2,027.16, 2,797.30 and 1,187.74

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Solution

The fourth proportional to 2,027.16, 2,797.30 and 1,187.74 is: 1,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.16 : 2,797.30 = 1,187.74 : x
  2. Step 2: Convert to fraction form
    2,027.16/2,797.30 = 1,187.74/x
  3. Step 3: Cross multiply
    2,027.16x = 2,797.30 × 1,187.74
  4. Step 4: Simplify right side
    2,027.16x = 3,322,465.10
  5. Step 5: Solve for x
    x = 3,322,465.10/2,027.16
  6. Step 6: Final answer
    x = 1,638.98

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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.