Home / 2,339.24-3,228.66-2,102.76

Finding the Fourth Proportional to 2,339.24, 3,228.66 and 2,102.76

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Solution

The fourth proportional to 2,339.24, 3,228.66 and 2,102.76 is: 2,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.24 : 3,228.66 = 2,102.76 : x
  2. Step 2: Convert to fraction form
    2,339.24/3,228.66 = 2,102.76/x
  3. Step 3: Cross multiply
    2,339.24x = 3,228.66 × 2,102.76
  4. Step 4: Simplify right side
    2,339.24x = 6,789,097.10
  5. Step 5: Solve for x
    x = 6,789,097.10/2,339.24
  6. Step 6: Final answer
    x = 2,902.27

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Half scale
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Double scale
Find fourth proportional to 2,340.24, 3,230.04 and 2,103.76
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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.