Home / 3,202.85-4,417.91-2,206.40

Finding the Fourth Proportional to 3,202.85, 4,417.91 and 2,206.40

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Solution

The fourth proportional to 3,202.85, 4,417.91 and 2,206.40 is: 3,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.85 : 4,417.91 = 2,206.40 : x
  2. Step 2: Convert to fraction form
    3,202.85/4,417.91 = 2,206.40/x
  3. Step 3: Cross multiply
    3,202.85x = 4,417.91 × 2,206.40
  4. Step 4: Simplify right side
    3,202.85x = 9,747,643.50
  5. Step 5: Solve for x
    x = 9,747,643.50/3,202.85
  6. Step 6: Final answer
    x = 3,043.43

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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.