Home / 3,237.75-4,857.21-2,143.02

Finding the Fourth Proportional to 3,237.75, 4,857.21 and 2,143.02

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Solution

The fourth proportional to 3,237.75, 4,857.21 and 2,143.02 is: 3,214.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.75 : 4,857.21 = 2,143.02 : x
  2. Step 2: Convert to fraction form
    3,237.75/4,857.21 = 2,143.02/x
  3. Step 3: Cross multiply
    3,237.75x = 4,857.21 × 2,143.02
  4. Step 4: Simplify right side
    3,237.75x = 10,409,098.17
  5. Step 5: Solve for x
    x = 10,409,098.17/3,237.75
  6. Step 6: Final answer
    x = 3,214.92

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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.