Home / 3,205.31-4,423.61-2,010.47

Finding the Fourth Proportional to 3,205.31, 4,423.61 and 2,010.47

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Solution

The fourth proportional to 3,205.31, 4,423.61 and 2,010.47 is: 2,774.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.31 : 4,423.61 = 2,010.47 : x
  2. Step 2: Convert to fraction form
    3,205.31/4,423.61 = 2,010.47/x
  3. Step 3: Cross multiply
    3,205.31x = 4,423.61 × 2,010.47
  4. Step 4: Simplify right side
    3,205.31x = 8,893,542.99
  5. Step 5: Solve for x
    x = 8,893,542.99/3,205.31
  6. Step 6: Final answer
    x = 2,774.63

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1.5x scale

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.