Home / 3,345.10-4,612.04-2,147.97

Finding the Fourth Proportional to 3,345.10, 4,612.04 and 2,147.97

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Solution

The fourth proportional to 3,345.10, 4,612.04 and 2,147.97 is: 2,961.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.10 : 4,612.04 = 2,147.97 : x
  2. Step 2: Convert to fraction form
    3,345.10/4,612.04 = 2,147.97/x
  3. Step 3: Cross multiply
    3,345.10x = 4,612.04 × 2,147.97
  4. Step 4: Simplify right side
    3,345.10x = 9,906,512.82
  5. Step 5: Solve for x
    x = 9,906,512.82/3,345.10
  6. Step 6: Final answer
    x = 2,961.50

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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.