Home / 3,165.36-4,367.88-1,767.84

Finding the Fourth Proportional to 3,165.36, 4,367.88 and 1,767.84

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Solution

The fourth proportional to 3,165.36, 4,367.88 and 1,767.84 is: 2,439.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.36 : 4,367.88 = 1,767.84 : x
  2. Step 2: Convert to fraction form
    3,165.36/4,367.88 = 1,767.84/x
  3. Step 3: Cross multiply
    3,165.36x = 4,367.88 × 1,767.84
  4. Step 4: Simplify right side
    3,165.36x = 7,721,712.98
  5. Step 5: Solve for x
    x = 7,721,712.98/3,165.36
  6. Step 6: Final answer
    x = 2,439.44

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1.5x scale

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.