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Finding the Fourth Proportional to 3,670.02, 5,505.03 and 1,205.04

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Solution

The fourth proportional to 3,670.02, 5,505.03 and 1,205.04 is: 1,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.02 : 5,505.03 = 1,205.04 : x
  2. Step 2: Convert to fraction form
    3,670.02/5,505.03 = 1,205.04/x
  3. Step 3: Cross multiply
    3,670.02x = 5,505.03 × 1,205.04
  4. Step 4: Simplify right side
    3,670.02x = 6,633,781.35
  5. Step 5: Solve for x
    x = 6,633,781.35/3,670.02
  6. Step 6: Final answer
    x = 1,807.56

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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.