Home / 3,400.13-4,689.11-2,203.90

Finding the Fourth Proportional to 3,400.13, 4,689.11 and 2,203.90

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Solution

The fourth proportional to 3,400.13, 4,689.11 and 2,203.90 is: 3,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.13 : 4,689.11 = 2,203.90 : x
  2. Step 2: Convert to fraction form
    3,400.13/4,689.11 = 2,203.90/x
  3. Step 3: Cross multiply
    3,400.13x = 4,689.11 × 2,203.90
  4. Step 4: Simplify right side
    3,400.13x = 10,334,329.53
  5. Step 5: Solve for x
    x = 10,334,329.53/3,400.13
  6. Step 6: Final answer
    x = 3,039.39

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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.