Home / 3,901.64-5,384.41-2,223.31

Finding the Fourth Proportional to 3,901.64, 5,384.41 and 2,223.31

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Solution

The fourth proportional to 3,901.64, 5,384.41 and 2,223.31 is: 3,068.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.64 : 5,384.41 = 2,223.31 : x
  2. Step 2: Convert to fraction form
    3,901.64/5,384.41 = 2,223.31/x
  3. Step 3: Cross multiply
    3,901.64x = 5,384.41 × 2,223.31
  4. Step 4: Simplify right side
    3,901.64x = 11,971,220.62
  5. Step 5: Solve for x
    x = 11,971,220.62/3,901.64
  6. Step 6: Final answer
    x = 3,068.25

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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.