Home / 3,201.61-4,411.37-2,151.85

Finding the Fourth Proportional to 3,201.61, 4,411.37 and 2,151.85

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Solution

The fourth proportional to 3,201.61, 4,411.37 and 2,151.85 is: 2,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.61 : 4,411.37 = 2,151.85 : x
  2. Step 2: Convert to fraction form
    3,201.61/4,411.37 = 2,151.85/x
  3. Step 3: Cross multiply
    3,201.61x = 4,411.37 × 2,151.85
  4. Step 4: Simplify right side
    3,201.61x = 9,492,606.53
  5. Step 5: Solve for x
    x = 9,492,606.53/3,201.61
  6. Step 6: Final answer
    x = 2,964.95

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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.