Home / 2,784.26-4,176.45-935.43

Finding the Fourth Proportional to 2,784.26, 4,176.45 and 935.43

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Solution

The fourth proportional to 2,784.26, 4,176.45 and 935.43 is: 1,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.26 : 4,176.45 = 935.43 : x
  2. Step 2: Convert to fraction form
    2,784.26/4,176.45 = 935.43/x
  3. Step 3: Cross multiply
    2,784.26x = 4,176.45 × 935.43
  4. Step 4: Simplify right side
    2,784.26x = 3,906,776.62
  5. Step 5: Solve for x
    x = 3,906,776.62/2,784.26
  6. Step 6: Final answer
    x = 1,403.17

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1.5x scale

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.