Home / 4,212.54-5,807.15-2,949.61

Finding the Fourth Proportional to 4,212.54, 5,807.15 and 2,949.61

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Solution

The fourth proportional to 4,212.54, 5,807.15 and 2,949.61 is: 4,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.54 : 5,807.15 = 2,949.61 : x
  2. Step 2: Convert to fraction form
    4,212.54/5,807.15 = 2,949.61/x
  3. Step 3: Cross multiply
    4,212.54x = 5,807.15 × 2,949.61
  4. Step 4: Simplify right side
    4,212.54x = 17,128,812.96
  5. Step 5: Solve for x
    x = 17,128,812.96/4,212.54
  6. Step 6: Final answer
    x = 4,066.15

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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.