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Finding the Fourth Proportional to 3,468.77, 5,202.95 and 1,003.54

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Solution

The fourth proportional to 3,468.77, 5,202.95 and 1,003.54 is: 1,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,468.77 : 5,202.95 = 1,003.54 : x
  2. Step 2: Convert to fraction form
    3,468.77/5,202.95 = 1,003.54/x
  3. Step 3: Cross multiply
    3,468.77x = 5,202.95 × 1,003.54
  4. Step 4: Simplify right side
    3,468.77x = 5,221,368.44
  5. Step 5: Solve for x
    x = 5,221,368.44/3,468.77
  6. Step 6: Final answer
    x = 1,505.25

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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.