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Finding the Fourth Proportional to 2,197.27, 3,295.63 and 553.68

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Solution

The fourth proportional to 2,197.27, 3,295.63 and 553.68 is: 830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.27 : 3,295.63 = 553.68 : x
  2. Step 2: Convert to fraction form
    2,197.27/3,295.63 = 553.68/x
  3. Step 3: Cross multiply
    2,197.27x = 3,295.63 × 553.68
  4. Step 4: Simplify right side
    2,197.27x = 1,824,707.94
  5. Step 5: Solve for x
    x = 1,824,707.94/2,197.27
  6. Step 6: Final answer
    x = 830.45

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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.