Home / 2,720.12-3,753.77-1,601.10

Finding the Fourth Proportional to 2,720.12, 3,753.77 and 1,601.10

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Solution

The fourth proportional to 2,720.12, 3,753.77 and 1,601.10 is: 2,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.12 : 3,753.77 = 1,601.10 : x
  2. Step 2: Convert to fraction form
    2,720.12/3,753.77 = 1,601.10/x
  3. Step 3: Cross multiply
    2,720.12x = 3,753.77 × 1,601.10
  4. Step 4: Simplify right side
    2,720.12x = 6,010,153.14
  5. Step 5: Solve for x
    x = 6,010,153.14/2,720.12
  6. Step 6: Final answer
    x = 2,209.52

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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.