Home / 2,545.93-3,817.97-1,999.18

Finding the Fourth Proportional to 2,545.93, 3,817.97 and 1,999.18

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Solution

The fourth proportional to 2,545.93, 3,817.97 and 1,999.18 is: 2,998.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.93 : 3,817.97 = 1,999.18 : x
  2. Step 2: Convert to fraction form
    2,545.93/3,817.97 = 1,999.18/x
  3. Step 3: Cross multiply
    2,545.93x = 3,817.97 × 1,999.18
  4. Step 4: Simplify right side
    2,545.93x = 7,632,804.72
  5. Step 5: Solve for x
    x = 7,632,804.72/2,545.93
  6. Step 6: Final answer
    x = 2,998.04

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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.