Home / 3,622.73-4,998.51-2,130.71

Finding the Fourth Proportional to 3,622.73, 4,998.51 and 2,130.71

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Solution

The fourth proportional to 3,622.73, 4,998.51 and 2,130.71 is: 2,939.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.73 : 4,998.51 = 2,130.71 : x
  2. Step 2: Convert to fraction form
    3,622.73/4,998.51 = 2,130.71/x
  3. Step 3: Cross multiply
    3,622.73x = 4,998.51 × 2,130.71
  4. Step 4: Simplify right side
    3,622.73x = 10,650,350.25
  5. Step 5: Solve for x
    x = 10,650,350.25/3,622.73
  6. Step 6: Final answer
    x = 2,939.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.