Home / 2,377.95-3,562.49-1,990.44

Finding the Fourth Proportional to 2,377.95, 3,562.49 and 1,990.44

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Solution

The fourth proportional to 2,377.95, 3,562.49 and 1,990.44 is: 2,981.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.95 : 3,562.49 = 1,990.44 : x
  2. Step 2: Convert to fraction form
    2,377.95/3,562.49 = 1,990.44/x
  3. Step 3: Cross multiply
    2,377.95x = 3,562.49 × 1,990.44
  4. Step 4: Simplify right side
    2,377.95x = 7,090,912.64
  5. Step 5: Solve for x
    x = 7,090,912.64/2,377.95
  6. Step 6: Final answer
    x = 2,981.94

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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.