Home / 3,864.32-5,331.84-2,292.14

Finding the Fourth Proportional to 3,864.32, 5,331.84 and 2,292.14

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Solution

The fourth proportional to 3,864.32, 5,331.84 and 2,292.14 is: 3,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.32 : 5,331.84 = 2,292.14 : x
  2. Step 2: Convert to fraction form
    3,864.32/5,331.84 = 2,292.14/x
  3. Step 3: Cross multiply
    3,864.32x = 5,331.84 × 2,292.14
  4. Step 4: Simplify right side
    3,864.32x = 12,221,323.74
  5. Step 5: Solve for x
    x = 12,221,323.74/3,864.32
  6. Step 6: Final answer
    x = 3,162.61

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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.