Home / 2,060.25-2,843.21-1,128.81

Finding the Fourth Proportional to 2,060.25, 2,843.21 and 1,128.81

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Solution

The fourth proportional to 2,060.25, 2,843.21 and 1,128.81 is: 1,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,060.25 : 2,843.21 = 1,128.81 : x
  2. Step 2: Convert to fraction form
    2,060.25/2,843.21 = 1,128.81/x
  3. Step 3: Cross multiply
    2,060.25x = 2,843.21 × 1,128.81
  4. Step 4: Simplify right side
    2,060.25x = 3,209,438.24
  5. Step 5: Solve for x
    x = 3,209,438.24/2,060.25
  6. Step 6: Final answer
    x = 1,557.79

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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.