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Finding the Fourth Proportional to 3,633.50, 5,014.23 and 1,977.50

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Solution

The fourth proportional to 3,633.50, 5,014.23 and 1,977.50 is: 2,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,633.50 : 5,014.23 = 1,977.50 : x
  2. Step 2: Convert to fraction form
    3,633.50/5,014.23 = 1,977.50/x
  3. Step 3: Cross multiply
    3,633.50x = 5,014.23 × 1,977.50
  4. Step 4: Simplify right side
    3,633.50x = 9,915,639.83
  5. Step 5: Solve for x
    x = 9,915,639.83/3,633.50
  6. Step 6: Final answer
    x = 2,728.95

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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.