Home / 2,252.36-3,376.80-1,428.92

Finding the Fourth Proportional to 2,252.36, 3,376.80 and 1,428.92

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Solution

The fourth proportional to 2,252.36, 3,376.80 and 1,428.92 is: 2,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.36 : 3,376.80 = 1,428.92 : x
  2. Step 2: Convert to fraction form
    2,252.36/3,376.80 = 1,428.92/x
  3. Step 3: Cross multiply
    2,252.36x = 3,376.80 × 1,428.92
  4. Step 4: Simplify right side
    2,252.36x = 4,825,177.06
  5. Step 5: Solve for x
    x = 4,825,177.06/2,252.36
  6. Step 6: Final answer
    x = 2,142.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.