Home / 3,400.11-5,097.91-1,641.63

Finding the Fourth Proportional to 3,400.11, 5,097.91 and 1,641.63

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Solution

The fourth proportional to 3,400.11, 5,097.91 and 1,641.63 is: 2,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.11 : 5,097.91 = 1,641.63 : x
  2. Step 2: Convert to fraction form
    3,400.11/5,097.91 = 1,641.63/x
  3. Step 3: Cross multiply
    3,400.11x = 5,097.91 × 1,641.63
  4. Step 4: Simplify right side
    3,400.11x = 8,368,881.99
  5. Step 5: Solve for x
    x = 8,368,881.99/3,400.11
  6. Step 6: Final answer
    x = 2,461.36

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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.