Home / 2,879.52-4,297.72-2,648.67

Finding the Fourth Proportional to 2,879.52, 4,297.72 and 2,648.67

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Solution

The fourth proportional to 2,879.52, 4,297.72 and 2,648.67 is: 3,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879.52 : 4,297.72 = 2,648.67 : x
  2. Step 2: Convert to fraction form
    2,879.52/4,297.72 = 2,648.67/x
  3. Step 3: Cross multiply
    2,879.52x = 4,297.72 × 2,648.67
  4. Step 4: Simplify right side
    2,879.52x = 11,383,242.03
  5. Step 5: Solve for x
    x = 11,383,242.03/2,879.52
  6. Step 6: Final answer
    x = 3,953.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.