Home / 3,220.03-4,439.67-2,590.57

Finding the Fourth Proportional to 3,220.03, 4,439.67 and 2,590.57

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Solution

The fourth proportional to 3,220.03, 4,439.67 and 2,590.57 is: 3,571.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.03 : 4,439.67 = 2,590.57 : x
  2. Step 2: Convert to fraction form
    3,220.03/4,439.67 = 2,590.57/x
  3. Step 3: Cross multiply
    3,220.03x = 4,439.67 × 2,590.57
  4. Step 4: Simplify right side
    3,220.03x = 11,501,275.91
  5. Step 5: Solve for x
    x = 11,501,275.91/3,220.03
  6. Step 6: Final answer
    x = 3,571.79

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Half scale
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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.