Home / 2,197.03-3,295.55-553.58

Finding the Fourth Proportional to 2,197.03, 3,295.55 and 553.58

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Solution

The fourth proportional to 2,197.03, 3,295.55 and 553.58 is: 830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,197.03 : 3,295.55 = 553.58 : x
  2. Step 2: Convert to fraction form
    2,197.03/3,295.55 = 553.58/x
  3. Step 3: Cross multiply
    2,197.03x = 3,295.55 × 553.58
  4. Step 4: Simplify right side
    2,197.03x = 1,824,350.57
  5. Step 5: Solve for x
    x = 1,824,350.57/2,197.03
  6. Step 6: Final answer
    x = 830.37

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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.