Home / 2,211.93-3,051.95-1,621.44

Finding the Fourth Proportional to 2,211.93, 3,051.95 and 1,621.44

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Solution

The fourth proportional to 2,211.93, 3,051.95 and 1,621.44 is: 2,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.93 : 3,051.95 = 1,621.44 : x
  2. Step 2: Convert to fraction form
    2,211.93/3,051.95 = 1,621.44/x
  3. Step 3: Cross multiply
    2,211.93x = 3,051.95 × 1,621.44
  4. Step 4: Simplify right side
    2,211.93x = 4,948,545.70
  5. Step 5: Solve for x
    x = 4,948,545.70/2,211.93
  6. Step 6: Final answer
    x = 2,237.21

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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.