Home / 2,046.40-2,824.64-1,941.92

Finding the Fourth Proportional to 2,046.40, 2,824.64 and 1,941.92

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Solution

The fourth proportional to 2,046.40, 2,824.64 and 1,941.92 is: 2,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.40 : 2,824.64 = 1,941.92 : x
  2. Step 2: Convert to fraction form
    2,046.40/2,824.64 = 1,941.92/x
  3. Step 3: Cross multiply
    2,046.40x = 2,824.64 × 1,941.92
  4. Step 4: Simplify right side
    2,046.40x = 5,485,224.91
  5. Step 5: Solve for x
    x = 5,485,224.91/2,046.40
  6. Step 6: Final answer
    x = 2,680.43

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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.