Home / 2,048.20-2,826.78-1,251.36

Finding the Fourth Proportional to 2,048.20, 2,826.78 and 1,251.36

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Solution

The fourth proportional to 2,048.20, 2,826.78 and 1,251.36 is: 1,727.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,048.20 : 2,826.78 = 1,251.36 : x
  2. Step 2: Convert to fraction form
    2,048.20/2,826.78 = 1,251.36/x
  3. Step 3: Cross multiply
    2,048.20x = 2,826.78 × 1,251.36
  4. Step 4: Simplify right side
    2,048.20x = 3,537,319.42
  5. Step 5: Solve for x
    x = 3,537,319.42/2,048.20
  6. Step 6: Final answer
    x = 1,727.04

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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.