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Finding the Fourth Proportional to 3,277.68, 4,916.54 and 969.16

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Solution

The fourth proportional to 3,277.68, 4,916.54 and 969.16 is: 1,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.68 : 4,916.54 = 969.16 : x
  2. Step 2: Convert to fraction form
    3,277.68/4,916.54 = 969.16/x
  3. Step 3: Cross multiply
    3,277.68x = 4,916.54 × 969.16
  4. Step 4: Simplify right side
    3,277.68x = 4,764,913.91
  5. Step 5: Solve for x
    x = 4,764,913.91/3,277.68
  6. Step 6: Final answer
    x = 1,453.75

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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.