Home / 3,687.19-5,527.52-2,644.57

Finding the Fourth Proportional to 3,687.19, 5,527.52 and 2,644.57

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Solution

The fourth proportional to 3,687.19, 5,527.52 and 2,644.57 is: 3,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.19 : 5,527.52 = 2,644.57 : x
  2. Step 2: Convert to fraction form
    3,687.19/5,527.52 = 2,644.57/x
  3. Step 3: Cross multiply
    3,687.19x = 5,527.52 × 2,644.57
  4. Step 4: Simplify right side
    3,687.19x = 14,617,913.57
  5. Step 5: Solve for x
    x = 14,617,913.57/3,687.19
  6. Step 6: Final answer
    x = 3,964.51

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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.