Home / 3,203.36-4,419.40-2,156.12

Finding the Fourth Proportional to 3,203.36, 4,419.40 and 2,156.12

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Solution

The fourth proportional to 3,203.36, 4,419.40 and 2,156.12 is: 2,974.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.36 : 4,419.40 = 2,156.12 : x
  2. Step 2: Convert to fraction form
    3,203.36/4,419.40 = 2,156.12/x
  3. Step 3: Cross multiply
    3,203.36x = 4,419.40 × 2,156.12
  4. Step 4: Simplify right side
    3,203.36x = 9,528,756.73
  5. Step 5: Solve for x
    x = 9,528,756.73/3,203.36
  6. Step 6: Final answer
    x = 2,974.61

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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.