Home / 2,720.06-3,753.50-1,601.21

Finding the Fourth Proportional to 2,720.06, 3,753.50 and 1,601.21

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Solution

The fourth proportional to 2,720.06, 3,753.50 and 1,601.21 is: 2,209.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.06 : 3,753.50 = 1,601.21 : x
  2. Step 2: Convert to fraction form
    2,720.06/3,753.50 = 1,601.21/x
  3. Step 3: Cross multiply
    2,720.06x = 3,753.50 × 1,601.21
  4. Step 4: Simplify right side
    2,720.06x = 6,010,143.11
  5. Step 5: Solve for x
    x = 6,010,143.11/2,720.06
  6. Step 6: Final answer
    x = 2,209.57

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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.