Home / 2,020.62-2,788.66-1,124.66

Finding the Fourth Proportional to 2,020.62, 2,788.66 and 1,124.66

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Solution

The fourth proportional to 2,020.62, 2,788.66 and 1,124.66 is: 1,552.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.62 : 2,788.66 = 1,124.66 : x
  2. Step 2: Convert to fraction form
    2,020.62/2,788.66 = 1,124.66/x
  3. Step 3: Cross multiply
    2,020.62x = 2,788.66 × 1,124.66
  4. Step 4: Simplify right side
    2,020.62x = 3,136,294.36
  5. Step 5: Solve for x
    x = 3,136,294.36/2,020.62
  6. Step 6: Final answer
    x = 1,552.14

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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.