Home / 2,008.41-3,011.50-621.37

Finding the Fourth Proportional to 2,008.41, 3,011.50 and 621.37

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Solution

The fourth proportional to 2,008.41, 3,011.50 and 621.37 is: 931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.41 : 3,011.50 = 621.37 : x
  2. Step 2: Convert to fraction form
    2,008.41/3,011.50 = 621.37/x
  3. Step 3: Cross multiply
    2,008.41x = 3,011.50 × 621.37
  4. Step 4: Simplify right side
    2,008.41x = 1,871,255.76
  5. Step 5: Solve for x
    x = 1,871,255.76/2,008.41
  6. Step 6: Final answer
    x = 931.71

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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.