Home / 3,098.52-4,276.74-1,772.64

Finding the Fourth Proportional to 3,098.52, 4,276.74 and 1,772.64

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Solution

The fourth proportional to 3,098.52, 4,276.74 and 1,772.64 is: 2,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.52 : 4,276.74 = 1,772.64 : x
  2. Step 2: Convert to fraction form
    3,098.52/4,276.74 = 1,772.64/x
  3. Step 3: Cross multiply
    3,098.52x = 4,276.74 × 1,772.64
  4. Step 4: Simplify right side
    3,098.52x = 7,581,120.39
  5. Step 5: Solve for x
    x = 7,581,120.39/3,098.52
  6. Step 6: Final answer
    x = 2,446.69

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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.