Home / 1,828.28-2,522.94-1,042.30

Finding the Fourth Proportional to 1,828.28, 2,522.94 and 1,042.30

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Solution

The fourth proportional to 1,828.28, 2,522.94 and 1,042.30 is: 1,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.28 : 2,522.94 = 1,042.30 : x
  2. Step 2: Convert to fraction form
    1,828.28/2,522.94 = 1,042.30/x
  3. Step 3: Cross multiply
    1,828.28x = 2,522.94 × 1,042.30
  4. Step 4: Simplify right side
    1,828.28x = 2,629,660.36
  5. Step 5: Solve for x
    x = 2,629,660.36/1,828.28
  6. Step 6: Final answer
    x = 1,438.32

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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.