Home / 3,320.16-4,976.40-2,936.16

Finding the Fourth Proportional to 3,320.16, 4,976.40 and 2,936.16

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Solution

The fourth proportional to 3,320.16, 4,976.40 and 2,936.16 is: 4,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.16 : 4,976.40 = 2,936.16 : x
  2. Step 2: Convert to fraction form
    3,320.16/4,976.40 = 2,936.16/x
  3. Step 3: Cross multiply
    3,320.16x = 4,976.40 × 2,936.16
  4. Step 4: Simplify right side
    3,320.16x = 14,611,506.62
  5. Step 5: Solve for x
    x = 14,611,506.62/3,320.16
  6. Step 6: Final answer
    x = 4,400.84

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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.