Home / 3,253.50-4,869.77-2,143.83

Finding the Fourth Proportional to 3,253.50, 4,869.77 and 2,143.83

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Solution

The fourth proportional to 3,253.50, 4,869.77 and 2,143.83 is: 3,208.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.50 : 4,869.77 = 2,143.83 : x
  2. Step 2: Convert to fraction form
    3,253.50/4,869.77 = 2,143.83/x
  3. Step 3: Cross multiply
    3,253.50x = 4,869.77 × 2,143.83
  4. Step 4: Simplify right side
    3,253.50x = 10,439,959.02
  5. Step 5: Solve for x
    x = 10,439,959.02/3,253.50
  6. Step 6: Final answer
    x = 3,208.84

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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.