Home / 3,876.04-5,349.22-2,220.04

Finding the Fourth Proportional to 3,876.04, 5,349.22 and 2,220.04

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Solution

The fourth proportional to 3,876.04, 5,349.22 and 2,220.04 is: 3,063.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.04 : 5,349.22 = 2,220.04 : x
  2. Step 2: Convert to fraction form
    3,876.04/5,349.22 = 2,220.04/x
  3. Step 3: Cross multiply
    3,876.04x = 5,349.22 × 2,220.04
  4. Step 4: Simplify right side
    3,876.04x = 11,875,482.37
  5. Step 5: Solve for x
    x = 11,875,482.37/3,876.04
  6. Step 6: Final answer
    x = 3,063.82

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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.