Home / 3,780.03-5,215.26-2,207.01

Finding the Fourth Proportional to 3,780.03, 5,215.26 and 2,207.01

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Solution

The fourth proportional to 3,780.03, 5,215.26 and 2,207.01 is: 3,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.03 : 5,215.26 = 2,207.01 : x
  2. Step 2: Convert to fraction form
    3,780.03/5,215.26 = 2,207.01/x
  3. Step 3: Cross multiply
    3,780.03x = 5,215.26 × 2,207.01
  4. Step 4: Simplify right side
    3,780.03x = 11,510,130.97
  5. Step 5: Solve for x
    x = 11,510,130.97/3,780.03
  6. Step 6: Final answer
    x = 3,044.98

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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.