Home / 2,803.61-4,205.57-2,021.46

Finding the Fourth Proportional to 2,803.61, 4,205.57 and 2,021.46

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Solution

The fourth proportional to 2,803.61, 4,205.57 and 2,021.46 is: 3,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.61 : 4,205.57 = 2,021.46 : x
  2. Step 2: Convert to fraction form
    2,803.61/4,205.57 = 2,021.46/x
  3. Step 3: Cross multiply
    2,803.61x = 4,205.57 × 2,021.46
  4. Step 4: Simplify right side
    2,803.61x = 8,501,377.02
  5. Step 5: Solve for x
    x = 8,501,377.02/2,803.61
  6. Step 6: Final answer
    x = 3,032.29

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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.