Home / 4,171.10-6,251.88-1,976.72

Finding the Fourth Proportional to 4,171.10, 6,251.88 and 1,976.72

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Solution

The fourth proportional to 4,171.10, 6,251.88 and 1,976.72 is: 2,962.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.10 : 6,251.88 = 1,976.72 : x
  2. Step 2: Convert to fraction form
    4,171.10/6,251.88 = 1,976.72/x
  3. Step 3: Cross multiply
    4,171.10x = 6,251.88 × 1,976.72
  4. Step 4: Simplify right side
    4,171.10x = 12,358,216.23
  5. Step 5: Solve for x
    x = 12,358,216.23/4,171.10
  6. Step 6: Final answer
    x = 2,962.82

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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.