Home / 3,730.12-5,147.69-2,051.61

Finding the Fourth Proportional to 3,730.12, 5,147.69 and 2,051.61

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Solution

The fourth proportional to 3,730.12, 5,147.69 and 2,051.61 is: 2,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.12 : 5,147.69 = 2,051.61 : x
  2. Step 2: Convert to fraction form
    3,730.12/5,147.69 = 2,051.61/x
  3. Step 3: Cross multiply
    3,730.12x = 5,147.69 × 2,051.61
  4. Step 4: Simplify right side
    3,730.12x = 10,561,052.28
  5. Step 5: Solve for x
    x = 10,561,052.28/3,730.12
  6. Step 6: Final answer
    x = 2,831.29

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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.