Home / 3,685.50-5,529.87-2,707.02

Finding the Fourth Proportional to 3,685.50, 5,529.87 and 2,707.02

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Solution

The fourth proportional to 3,685.50, 5,529.87 and 2,707.02 is: 4,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.50 : 5,529.87 = 2,707.02 : x
  2. Step 2: Convert to fraction form
    3,685.50/5,529.87 = 2,707.02/x
  3. Step 3: Cross multiply
    3,685.50x = 5,529.87 × 2,707.02
  4. Step 4: Simplify right side
    3,685.50x = 14,969,468.69
  5. Step 5: Solve for x
    x = 14,969,468.69/3,685.50
  6. Step 6: Final answer
    x = 4,061.72

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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.