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Finding the Fourth Proportional to 3,601.68, 4,972.61 and 2,940.10

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Solution

The fourth proportional to 3,601.68, 4,972.61 and 2,940.10 is: 4,059.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.68 : 4,972.61 = 2,940.10 : x
  2. Step 2: Convert to fraction form
    3,601.68/4,972.61 = 2,940.10/x
  3. Step 3: Cross multiply
    3,601.68x = 4,972.61 × 2,940.10
  4. Step 4: Simplify right side
    3,601.68x = 14,619,970.66
  5. Step 5: Solve for x
    x = 14,619,970.66/3,601.68
  6. Step 6: Final answer
    x = 4,059.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.