Home / 4,171.15-6,256.68-1,397.80

Finding the Fourth Proportional to 4,171.15, 6,256.68 and 1,397.80

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Solution

The fourth proportional to 4,171.15, 6,256.68 and 1,397.80 is: 2,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.15 : 6,256.68 = 1,397.80 : x
  2. Step 2: Convert to fraction form
    4,171.15/6,256.68 = 1,397.80/x
  3. Step 3: Cross multiply
    4,171.15x = 6,256.68 × 1,397.80
  4. Step 4: Simplify right side
    4,171.15x = 8,745,587.30
  5. Step 5: Solve for x
    x = 8,745,587.30/4,171.15
  6. Step 6: Final answer
    x = 2,096.68

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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.