Home / 2,020.98-2,788.08-1,234.57

Finding the Fourth Proportional to 2,020.98, 2,788.08 and 1,234.57

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Solution

The fourth proportional to 2,020.98, 2,788.08 and 1,234.57 is: 1,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.98 : 2,788.08 = 1,234.57 : x
  2. Step 2: Convert to fraction form
    2,020.98/2,788.08 = 1,234.57/x
  3. Step 3: Cross multiply
    2,020.98x = 2,788.08 × 1,234.57
  4. Step 4: Simplify right side
    2,020.98x = 3,442,079.93
  5. Step 5: Solve for x
    x = 3,442,079.93/2,020.98
  6. Step 6: Final answer
    x = 1,703.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.