Home / 4,129.40-6,194.10-2,485.10

Finding the Fourth Proportional to 4,129.40, 6,194.10 and 2,485.10

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Solution

The fourth proportional to 4,129.40, 6,194.10 and 2,485.10 is: 3,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.40 : 6,194.10 = 2,485.10 : x
  2. Step 2: Convert to fraction form
    4,129.40/6,194.10 = 2,485.10/x
  3. Step 3: Cross multiply
    4,129.40x = 6,194.10 × 2,485.10
  4. Step 4: Simplify right side
    4,129.40x = 15,392,957.91
  5. Step 5: Solve for x
    x = 15,392,957.91/4,129.40
  6. Step 6: Final answer
    x = 3,727.65

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Half scale
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Double scale
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Similar ratio
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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.