Home / 3,122.37-4,681.53-2,192.76

Finding the Fourth Proportional to 3,122.37, 4,681.53 and 2,192.76

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Solution

The fourth proportional to 3,122.37, 4,681.53 and 2,192.76 is: 3,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.37 : 4,681.53 = 2,192.76 : x
  2. Step 2: Convert to fraction form
    3,122.37/4,681.53 = 2,192.76/x
  3. Step 3: Cross multiply
    3,122.37x = 4,681.53 × 2,192.76
  4. Step 4: Simplify right side
    3,122.37x = 10,265,471.72
  5. Step 5: Solve for x
    x = 10,265,471.72/3,122.37
  6. Step 6: Final answer
    x = 3,287.72

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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.