Home / 2,231.45-3,076.58-1,853.28

Finding the Fourth Proportional to 2,231.45, 3,076.58 and 1,853.28

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Solution

The fourth proportional to 2,231.45, 3,076.58 and 1,853.28 is: 2,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.45 : 3,076.58 = 1,853.28 : x
  2. Step 2: Convert to fraction form
    2,231.45/3,076.58 = 1,853.28/x
  3. Step 3: Cross multiply
    2,231.45x = 3,076.58 × 1,853.28
  4. Step 4: Simplify right side
    2,231.45x = 5,701,768.82
  5. Step 5: Solve for x
    x = 5,701,768.82/2,231.45
  6. Step 6: Final answer
    x = 2,555.19

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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.