Home / 3,677.98-5,518.12-1,214.52

Finding the Fourth Proportional to 3,677.98, 5,518.12 and 1,214.52

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Solution

The fourth proportional to 3,677.98, 5,518.12 and 1,214.52 is: 1,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.98 : 5,518.12 = 1,214.52 : x
  2. Step 2: Convert to fraction form
    3,677.98/5,518.12 = 1,214.52/x
  3. Step 3: Cross multiply
    3,677.98x = 5,518.12 × 1,214.52
  4. Step 4: Simplify right side
    3,677.98x = 6,701,887.66
  5. Step 5: Solve for x
    x = 6,701,887.66/3,677.98
  6. Step 6: Final answer
    x = 1,822.17

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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.