Home / 2,979.36-4,472.04-2,634.96

Finding the Fourth Proportional to 2,979.36, 4,472.04 and 2,634.96

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Solution

The fourth proportional to 2,979.36, 4,472.04 and 2,634.96 is: 3,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.36 : 4,472.04 = 2,634.96 : x
  2. Step 2: Convert to fraction form
    2,979.36/4,472.04 = 2,634.96/x
  3. Step 3: Cross multiply
    2,979.36x = 4,472.04 × 2,634.96
  4. Step 4: Simplify right side
    2,979.36x = 11,783,646.52
  5. Step 5: Solve for x
    x = 11,783,646.52/2,979.36
  6. Step 6: Final answer
    x = 3,955.09

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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.