Home / 2,034.30-2,808.68-1,249.70

Finding the Fourth Proportional to 2,034.30, 2,808.68 and 1,249.70

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Solution

The fourth proportional to 2,034.30, 2,808.68 and 1,249.70 is: 1,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034.30 : 2,808.68 = 1,249.70 : x
  2. Step 2: Convert to fraction form
    2,034.30/2,808.68 = 1,249.70/x
  3. Step 3: Cross multiply
    2,034.30x = 2,808.68 × 1,249.70
  4. Step 4: Simplify right side
    2,034.30x = 3,509,987.10
  5. Step 5: Solve for x
    x = 3,509,987.10/2,034.30
  6. Step 6: Final answer
    x = 1,725.40

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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.