Home / 3,504.61-5,258.20-1,631.39

Finding the Fourth Proportional to 3,504.61, 5,258.20 and 1,631.39

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Solution

The fourth proportional to 3,504.61, 5,258.20 and 1,631.39 is: 2,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.61 : 5,258.20 = 1,631.39 : x
  2. Step 2: Convert to fraction form
    3,504.61/5,258.20 = 1,631.39/x
  3. Step 3: Cross multiply
    3,504.61x = 5,258.20 × 1,631.39
  4. Step 4: Simplify right side
    3,504.61x = 8,578,187.02
  5. Step 5: Solve for x
    x = 8,578,187.02/3,504.61
  6. Step 6: Final answer
    x = 2,447.68

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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.