Home / 3,464.94-4,781.06-2,139.08

Finding the Fourth Proportional to 3,464.94, 4,781.06 and 2,139.08

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Solution

The fourth proportional to 3,464.94, 4,781.06 and 2,139.08 is: 2,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.94 : 4,781.06 = 2,139.08 : x
  2. Step 2: Convert to fraction form
    3,464.94/4,781.06 = 2,139.08/x
  3. Step 3: Cross multiply
    3,464.94x = 4,781.06 × 2,139.08
  4. Step 4: Simplify right side
    3,464.94x = 10,227,043.25
  5. Step 5: Solve for x
    x = 10,227,043.25/3,464.94
  6. Step 6: Final answer
    x = 2,951.58

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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.