Home / 3,477.15-5,215.79-1,137.17

Finding the Fourth Proportional to 3,477.15, 5,215.79 and 1,137.17

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Solution

The fourth proportional to 3,477.15, 5,215.79 and 1,137.17 is: 1,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.15 : 5,215.79 = 1,137.17 : x
  2. Step 2: Convert to fraction form
    3,477.15/5,215.79 = 1,137.17/x
  3. Step 3: Cross multiply
    3,477.15x = 5,215.79 × 1,137.17
  4. Step 4: Simplify right side
    3,477.15x = 5,931,255.80
  5. Step 5: Solve for x
    x = 5,931,255.80/3,477.15
  6. Step 6: Final answer
    x = 1,705.78

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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.