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Finding the Fourth Proportional to 3,266.79, 4,901.79 and 1,511.58

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Solution

The fourth proportional to 3,266.79, 4,901.79 and 1,511.58 is: 2,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.79 : 4,901.79 = 1,511.58 : x
  2. Step 2: Convert to fraction form
    3,266.79/4,901.79 = 1,511.58/x
  3. Step 3: Cross multiply
    3,266.79x = 4,901.79 × 1,511.58
  4. Step 4: Simplify right side
    3,266.79x = 7,409,447.73
  5. Step 5: Solve for x
    x = 7,409,447.73/3,266.79
  6. Step 6: Final answer
    x = 2,268.11

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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.