Home / 3,319.17-4,980.57-2,796.72

Finding the Fourth Proportional to 3,319.17, 4,980.57 and 2,796.72

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Solution

The fourth proportional to 3,319.17, 4,980.57 and 2,796.72 is: 4,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.17 : 4,980.57 = 2,796.72 : x
  2. Step 2: Convert to fraction form
    3,319.17/4,980.57 = 2,796.72/x
  3. Step 3: Cross multiply
    3,319.17x = 4,980.57 × 2,796.72
  4. Step 4: Simplify right side
    3,319.17x = 13,929,259.73
  5. Step 5: Solve for x
    x = 13,929,259.73/3,319.17
  6. Step 6: Final answer
    x = 4,196.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.