Home / 2,020.54-2,788.42-1,124.36

Finding the Fourth Proportional to 2,020.54, 2,788.42 and 1,124.36

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Solution

The fourth proportional to 2,020.54, 2,788.42 and 1,124.36 is: 1,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.54 : 2,788.42 = 1,124.36 : x
  2. Step 2: Convert to fraction form
    2,020.54/2,788.42 = 1,124.36/x
  3. Step 3: Cross multiply
    2,020.54x = 2,788.42 × 1,124.36
  4. Step 4: Simplify right side
    2,020.54x = 3,135,187.91
  5. Step 5: Solve for x
    x = 3,135,187.91/2,020.54
  6. Step 6: Final answer
    x = 1,551.66

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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.