Home / 3,445.75-4,755.95-2,049.31

Finding the Fourth Proportional to 3,445.75, 4,755.95 and 2,049.31

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Solution

The fourth proportional to 3,445.75, 4,755.95 and 2,049.31 is: 2,828.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.75 : 4,755.95 = 2,049.31 : x
  2. Step 2: Convert to fraction form
    3,445.75/4,755.95 = 2,049.31/x
  3. Step 3: Cross multiply
    3,445.75x = 4,755.95 × 2,049.31
  4. Step 4: Simplify right side
    3,445.75x = 9,746,415.89
  5. Step 5: Solve for x
    x = 9,746,415.89/3,445.75
  6. Step 6: Final answer
    x = 2,828.53

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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.