Home / 3,767.61-5,647.70-1,577.85

Finding the Fourth Proportional to 3,767.61, 5,647.70 and 1,577.85

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Solution

The fourth proportional to 3,767.61, 5,647.70 and 1,577.85 is: 2,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.61 : 5,647.70 = 1,577.85 : x
  2. Step 2: Convert to fraction form
    3,767.61/5,647.70 = 1,577.85/x
  3. Step 3: Cross multiply
    3,767.61x = 5,647.70 × 1,577.85
  4. Step 4: Simplify right side
    3,767.61x = 8,911,215.56
  5. Step 5: Solve for x
    x = 8,911,215.56/3,767.61
  6. Step 6: Final answer
    x = 2,365.22

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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.