Home / 3,275.07-4,518.12-2,081.64

Finding the Fourth Proportional to 3,275.07, 4,518.12 and 2,081.64

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Solution

The fourth proportional to 3,275.07, 4,518.12 and 2,081.64 is: 2,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.07 : 4,518.12 = 2,081.64 : x
  2. Step 2: Convert to fraction form
    3,275.07/4,518.12 = 2,081.64/x
  3. Step 3: Cross multiply
    3,275.07x = 4,518.12 × 2,081.64
  4. Step 4: Simplify right side
    3,275.07x = 9,405,099.32
  5. Step 5: Solve for x
    x = 9,405,099.32/3,275.07
  6. Step 6: Final answer
    x = 2,871.72

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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.