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Finding the Fourth Proportional to 2,465.97, 3,404.29 and 1,905.18

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Solution

The fourth proportional to 2,465.97, 3,404.29 and 1,905.18 is: 2,630.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465.97 : 3,404.29 = 1,905.18 : x
  2. Step 2: Convert to fraction form
    2,465.97/3,404.29 = 1,905.18/x
  3. Step 3: Cross multiply
    2,465.97x = 3,404.29 × 1,905.18
  4. Step 4: Simplify right side
    2,465.97x = 6,485,785.22
  5. Step 5: Solve for x
    x = 6,485,785.22/2,465.97
  6. Step 6: Final answer
    x = 2,630.12

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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.