Home / 3,981.14-5,495.97-2,656.98

Finding the Fourth Proportional to 3,981.14, 5,495.97 and 2,656.98

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Solution

The fourth proportional to 3,981.14, 5,495.97 and 2,656.98 is: 3,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981.14 : 5,495.97 = 2,656.98 : x
  2. Step 2: Convert to fraction form
    3,981.14/5,495.97 = 2,656.98/x
  3. Step 3: Cross multiply
    3,981.14x = 5,495.97 × 2,656.98
  4. Step 4: Simplify right side
    3,981.14x = 14,602,682.37
  5. Step 5: Solve for x
    x = 14,602,682.37/3,981.14
  6. Step 6: Final answer
    x = 3,667.97

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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.