Home / 3,209.75-4,433.10-2,159.99

Finding the Fourth Proportional to 3,209.75, 4,433.10 and 2,159.99

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Solution

The fourth proportional to 3,209.75, 4,433.10 and 2,159.99 is: 2,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.75 : 4,433.10 = 2,159.99 : x
  2. Step 2: Convert to fraction form
    3,209.75/4,433.10 = 2,159.99/x
  3. Step 3: Cross multiply
    3,209.75x = 4,433.10 × 2,159.99
  4. Step 4: Simplify right side
    3,209.75x = 9,575,451.67
  5. Step 5: Solve for x
    x = 9,575,451.67/3,209.75
  6. Step 6: Final answer
    x = 2,983.24

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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.