Home / 3,760.11-5,632.80-2,117.70

Finding the Fourth Proportional to 3,760.11, 5,632.80 and 2,117.70

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Solution

The fourth proportional to 3,760.11, 5,632.80 and 2,117.70 is: 3,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.11 : 5,632.80 = 2,117.70 : x
  2. Step 2: Convert to fraction form
    3,760.11/5,632.80 = 2,117.70/x
  3. Step 3: Cross multiply
    3,760.11x = 5,632.80 × 2,117.70
  4. Step 4: Simplify right side
    3,760.11x = 11,928,580.56
  5. Step 5: Solve for x
    x = 11,928,580.56/3,760.11
  6. Step 6: Final answer
    x = 3,172.40

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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.