Home / 3,019.29-4,168.98-1,957.56

Finding the Fourth Proportional to 3,019.29, 4,168.98 and 1,957.56

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Solution

The fourth proportional to 3,019.29, 4,168.98 and 1,957.56 is: 2,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.29 : 4,168.98 = 1,957.56 : x
  2. Step 2: Convert to fraction form
    3,019.29/4,168.98 = 1,957.56/x
  3. Step 3: Cross multiply
    3,019.29x = 4,168.98 × 1,957.56
  4. Step 4: Simplify right side
    3,019.29x = 8,161,028.49
  5. Step 5: Solve for x
    x = 8,161,028.49/3,019.29
  6. Step 6: Final answer
    x = 2,702.96

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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.