Home / 2,007.03-3,010.55-1,279.65

Finding the Fourth Proportional to 2,007.03, 3,010.55 and 1,279.65

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Solution

The fourth proportional to 2,007.03, 3,010.55 and 1,279.65 is: 1,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.03 : 3,010.55 = 1,279.65 : x
  2. Step 2: Convert to fraction form
    2,007.03/3,010.55 = 1,279.65/x
  3. Step 3: Cross multiply
    2,007.03x = 3,010.55 × 1,279.65
  4. Step 4: Simplify right side
    2,007.03x = 3,852,443.91
  5. Step 5: Solve for x
    x = 3,852,443.91/2,007.03
  6. Step 6: Final answer
    x = 1,919.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.