Home / 3,577.35-4,936.80-2,318.91

Finding the Fourth Proportional to 3,577.35, 4,936.80 and 2,318.91

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Solution

The fourth proportional to 3,577.35, 4,936.80 and 2,318.91 is: 3,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.35 : 4,936.80 = 2,318.91 : x
  2. Step 2: Convert to fraction form
    3,577.35/4,936.80 = 2,318.91/x
  3. Step 3: Cross multiply
    3,577.35x = 4,936.80 × 2,318.91
  4. Step 4: Simplify right side
    3,577.35x = 11,447,994.89
  5. Step 5: Solve for x
    x = 11,447,994.89/3,577.35
  6. Step 6: Final answer
    x = 3,200.13

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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.