Home / 3,571.02-5,356.80-1,105.92

Finding the Fourth Proportional to 3,571.02, 5,356.80 and 1,105.92

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Solution

The fourth proportional to 3,571.02, 5,356.80 and 1,105.92 is: 1,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.02 : 5,356.80 = 1,105.92 : x
  2. Step 2: Convert to fraction form
    3,571.02/5,356.80 = 1,105.92/x
  3. Step 3: Cross multiply
    3,571.02x = 5,356.80 × 1,105.92
  4. Step 4: Simplify right side
    3,571.02x = 5,924,192.26
  5. Step 5: Solve for x
    x = 5,924,192.26/3,571.02
  6. Step 6: Final answer
    x = 1,658.96

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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.