Home / 2,167.64-3,244.78-1,385.06

Finding the Fourth Proportional to 2,167.64, 3,244.78 and 1,385.06

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Solution

The fourth proportional to 2,167.64, 3,244.78 and 1,385.06 is: 2,073.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167.64 : 3,244.78 = 1,385.06 : x
  2. Step 2: Convert to fraction form
    2,167.64/3,244.78 = 1,385.06/x
  3. Step 3: Cross multiply
    2,167.64x = 3,244.78 × 1,385.06
  4. Step 4: Simplify right side
    2,167.64x = 4,494,214.99
  5. Step 5: Solve for x
    x = 4,494,214.99/2,167.64
  6. Step 6: Final answer
    x = 2,073.32

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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.