Home / 3,389.92-4,678.64-2,027.09

Finding the Fourth Proportional to 3,389.92, 4,678.64 and 2,027.09

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Solution

The fourth proportional to 3,389.92, 4,678.64 and 2,027.09 is: 2,797.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.92 : 4,678.64 = 2,027.09 : x
  2. Step 2: Convert to fraction form
    3,389.92/4,678.64 = 2,027.09/x
  3. Step 3: Cross multiply
    3,389.92x = 4,678.64 × 2,027.09
  4. Step 4: Simplify right side
    3,389.92x = 9,484,036.37
  5. Step 5: Solve for x
    x = 9,484,036.37/3,389.92
  6. Step 6: Final answer
    x = 2,797.72

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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.