Home / 3,092.20-4,637.76-900.70

Finding the Fourth Proportional to 3,092.20, 4,637.76 and 900.70

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Solution

The fourth proportional to 3,092.20, 4,637.76 and 900.70 is: 1,350.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.20 : 4,637.76 = 900.70 : x
  2. Step 2: Convert to fraction form
    3,092.20/4,637.76 = 900.70/x
  3. Step 3: Cross multiply
    3,092.20x = 4,637.76 × 900.70
  4. Step 4: Simplify right side
    3,092.20x = 4,177,230.43
  5. Step 5: Solve for x
    x = 4,177,230.43/3,092.20
  6. Step 6: Final answer
    x = 1,350.89

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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.