Home / 3,166.70-4,367.21-2,637.34

Finding the Fourth Proportional to 3,166.70, 4,367.21 and 2,637.34

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Solution

The fourth proportional to 3,166.70, 4,367.21 and 2,637.34 is: 3,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.70 : 4,367.21 = 2,637.34 : x
  2. Step 2: Convert to fraction form
    3,166.70/4,367.21 = 2,637.34/x
  3. Step 3: Cross multiply
    3,166.70x = 4,367.21 × 2,637.34
  4. Step 4: Simplify right side
    3,166.70x = 11,517,811.03
  5. Step 5: Solve for x
    x = 11,517,811.03/3,166.70
  6. Step 6: Final answer
    x = 3,637.17

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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.