Home / 3,117.34-4,305.66-2,276.71

Finding the Fourth Proportional to 3,117.34, 4,305.66 and 2,276.71

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Solution

The fourth proportional to 3,117.34, 4,305.66 and 2,276.71 is: 3,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.34 : 4,305.66 = 2,276.71 : x
  2. Step 2: Convert to fraction form
    3,117.34/4,305.66 = 2,276.71/x
  3. Step 3: Cross multiply
    3,117.34x = 4,305.66 × 2,276.71
  4. Step 4: Simplify right side
    3,117.34x = 9,802,719.88
  5. Step 5: Solve for x
    x = 9,802,719.88/3,117.34
  6. Step 6: Final answer
    x = 3,144.58

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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.