Home / 2,792.12-3,853.14-1,533.23

Finding the Fourth Proportional to 2,792.12, 3,853.14 and 1,533.23

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Solution

The fourth proportional to 2,792.12, 3,853.14 and 1,533.23 is: 2,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.12 : 3,853.14 = 1,533.23 : x
  2. Step 2: Convert to fraction form
    2,792.12/3,853.14 = 1,533.23/x
  3. Step 3: Cross multiply
    2,792.12x = 3,853.14 × 1,533.23
  4. Step 4: Simplify right side
    2,792.12x = 5,907,722.91
  5. Step 5: Solve for x
    x = 5,907,722.91/2,792.12
  6. Step 6: Final answer
    x = 2,115.86

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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.