Home / 3,079.79-4,619.70-2,460.60

Finding the Fourth Proportional to 3,079.79, 4,619.70 and 2,460.60

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Solution

The fourth proportional to 3,079.79, 4,619.70 and 2,460.60 is: 3,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.79 : 4,619.70 = 2,460.60 : x
  2. Step 2: Convert to fraction form
    3,079.79/4,619.70 = 2,460.60/x
  3. Step 3: Cross multiply
    3,079.79x = 4,619.70 × 2,460.60
  4. Step 4: Simplify right side
    3,079.79x = 11,367,210.72
  5. Step 5: Solve for x
    x = 11,367,210.72/3,079.79
  6. Step 6: Final answer
    x = 3,690.90

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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.