Home / 2,011.28-2,760.76-1,785.29

Finding the Fourth Proportional to 2,011.28, 2,760.76 and 1,785.29

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Solution

The fourth proportional to 2,011.28, 2,760.76 and 1,785.29 is: 2,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.28 : 2,760.76 = 1,785.29 : x
  2. Step 2: Convert to fraction form
    2,011.28/2,760.76 = 1,785.29/x
  3. Step 3: Cross multiply
    2,011.28x = 2,760.76 × 1,785.29
  4. Step 4: Simplify right side
    2,011.28x = 4,928,738.95
  5. Step 5: Solve for x
    x = 4,928,738.95/2,011.28
  6. Step 6: Final answer
    x = 2,450.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.