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Finding the Fourth Proportional to 1,793.44, 2,474.98 and 1,007.49

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Solution

The fourth proportional to 1,793.44, 2,474.98 and 1,007.49 is: 1,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.44 : 2,474.98 = 1,007.49 : x
  2. Step 2: Convert to fraction form
    1,793.44/2,474.98 = 1,007.49/x
  3. Step 3: Cross multiply
    1,793.44x = 2,474.98 × 1,007.49
  4. Step 4: Simplify right side
    1,793.44x = 2,493,513.27
  5. Step 5: Solve for x
    x = 2,493,513.27/1,793.44
  6. Step 6: Final answer
    x = 1,390.35

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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.