Home / 2,946.39-4,418.73-2,122.26

Finding the Fourth Proportional to 2,946.39, 4,418.73 and 2,122.26

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Solution

The fourth proportional to 2,946.39, 4,418.73 and 2,122.26 is: 3,182.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.39 : 4,418.73 = 2,122.26 : x
  2. Step 2: Convert to fraction form
    2,946.39/4,418.73 = 2,122.26/x
  3. Step 3: Cross multiply
    2,946.39x = 4,418.73 × 2,122.26
  4. Step 4: Simplify right side
    2,946.39x = 9,377,693.93
  5. Step 5: Solve for x
    x = 9,377,693.93/2,946.39
  6. Step 6: Final answer
    x = 3,182.77

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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.