Home / 1,941.92-2,908.80-1,454.28

Finding the Fourth Proportional to 1,941.92, 2,908.80 and 1,454.28

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Solution

The fourth proportional to 1,941.92, 2,908.80 and 1,454.28 is: 2,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.92 : 2,908.80 = 1,454.28 : x
  2. Step 2: Convert to fraction form
    1,941.92/2,908.80 = 1,454.28/x
  3. Step 3: Cross multiply
    1,941.92x = 2,908.80 × 1,454.28
  4. Step 4: Simplify right side
    1,941.92x = 4,230,209.66
  5. Step 5: Solve for x
    x = 4,230,209.66/1,941.92
  6. Step 6: Final answer
    x = 2,178.36

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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.