Home / 2,720.63-3,753.20-1,600.85

Finding the Fourth Proportional to 2,720.63, 3,753.20 and 1,600.85

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Solution

The fourth proportional to 2,720.63, 3,753.20 and 1,600.85 is: 2,208.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.63 : 3,753.20 = 1,600.85 : x
  2. Step 2: Convert to fraction form
    2,720.63/3,753.20 = 1,600.85/x
  3. Step 3: Cross multiply
    2,720.63x = 3,753.20 × 1,600.85
  4. Step 4: Simplify right side
    2,720.63x = 6,008,302.22
  5. Step 5: Solve for x
    x = 6,008,302.22/2,720.63
  6. Step 6: Final answer
    x = 2,208.43

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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.