Home / 3,279.77-4,527.03-2,145.60

Finding the Fourth Proportional to 3,279.77, 4,527.03 and 2,145.60

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Solution

The fourth proportional to 3,279.77, 4,527.03 and 2,145.60 is: 2,961.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.77 : 4,527.03 = 2,145.60 : x
  2. Step 2: Convert to fraction form
    3,279.77/4,527.03 = 2,145.60/x
  3. Step 3: Cross multiply
    3,279.77x = 4,527.03 × 2,145.60
  4. Step 4: Simplify right side
    3,279.77x = 9,713,162.20
  5. Step 5: Solve for x
    x = 9,713,162.20/3,279.77
  6. Step 6: Final answer
    x = 2,961.54

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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.