Home / 3,780.03-5,655.79-3,396.35

Finding the Fourth Proportional to 3,780.03, 5,655.79 and 3,396.35

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Solution

The fourth proportional to 3,780.03, 5,655.79 and 3,396.35 is: 5,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.03 : 5,655.79 = 3,396.35 : x
  2. Step 2: Convert to fraction form
    3,780.03/5,655.79 = 3,396.35/x
  3. Step 3: Cross multiply
    3,780.03x = 5,655.79 × 3,396.35
  4. Step 4: Simplify right side
    3,780.03x = 19,209,060.75
  5. Step 5: Solve for x
    x = 19,209,060.75/3,780.03
  6. Step 6: Final answer
    x = 5,081.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.