Home / 2,232.70-3,078.62-1,424.08

Finding the Fourth Proportional to 2,232.70, 3,078.62 and 1,424.08

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Solution

The fourth proportional to 2,232.70, 3,078.62 and 1,424.08 is: 1,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.70 : 3,078.62 = 1,424.08 : x
  2. Step 2: Convert to fraction form
    2,232.70/3,078.62 = 1,424.08/x
  3. Step 3: Cross multiply
    2,232.70x = 3,078.62 × 1,424.08
  4. Step 4: Simplify right side
    2,232.70x = 4,384,208.22
  5. Step 5: Solve for x
    x = 4,384,208.22/2,232.70
  6. Step 6: Final answer
    x = 1,963.63

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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.