Home / 2,506.11-3,439.91-2,220.09

Finding the Fourth Proportional to 2,506.11, 3,439.91 and 2,220.09

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Solution

The fourth proportional to 2,506.11, 3,439.91 and 2,220.09 is: 3,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.11 : 3,439.91 = 2,220.09 : x
  2. Step 2: Convert to fraction form
    2,506.11/3,439.91 = 2,220.09/x
  3. Step 3: Cross multiply
    2,506.11x = 3,439.91 × 2,220.09
  4. Step 4: Simplify right side
    2,506.11x = 7,636,898.69
  5. Step 5: Solve for x
    x = 7,636,898.69/2,506.11
  6. Step 6: Final answer
    x = 3,047.31

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.