Home / 3,472.72-4,790.80-2,213.09

Finding the Fourth Proportional to 3,472.72, 4,790.80 and 2,213.09

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Solution

The fourth proportional to 3,472.72, 4,790.80 and 2,213.09 is: 3,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.72 : 4,790.80 = 2,213.09 : x
  2. Step 2: Convert to fraction form
    3,472.72/4,790.80 = 2,213.09/x
  3. Step 3: Cross multiply
    3,472.72x = 4,790.80 × 2,213.09
  4. Step 4: Simplify right side
    3,472.72x = 10,602,471.57
  5. Step 5: Solve for x
    x = 10,602,471.57/3,472.72
  6. Step 6: Final answer
    x = 3,053.07

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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.