Home / 2,976.72-4,461.48-2,626.80

Finding the Fourth Proportional to 2,976.72, 4,461.48 and 2,626.80

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Solution

The fourth proportional to 2,976.72, 4,461.48 and 2,626.80 is: 3,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.72 : 4,461.48 = 2,626.80 : x
  2. Step 2: Convert to fraction form
    2,976.72/4,461.48 = 2,626.80/x
  3. Step 3: Cross multiply
    2,976.72x = 4,461.48 × 2,626.80
  4. Step 4: Simplify right side
    2,976.72x = 11,719,415.66
  5. Step 5: Solve for x
    x = 11,719,415.66/2,976.72
  6. Step 6: Final answer
    x = 3,937.02

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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.