Home / 2,976.60-4,463.70-1,027.80

Finding the Fourth Proportional to 2,976.60, 4,463.70 and 1,027.80

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Solution

The fourth proportional to 2,976.60, 4,463.70 and 1,027.80 is: 1,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.60 : 4,463.70 = 1,027.80 : x
  2. Step 2: Convert to fraction form
    2,976.60/4,463.70 = 1,027.80/x
  3. Step 3: Cross multiply
    2,976.60x = 4,463.70 × 1,027.80
  4. Step 4: Simplify right side
    2,976.60x = 4,587,790.86
  5. Step 5: Solve for x
    x = 4,587,790.86/2,976.60
  6. Step 6: Final answer
    x = 1,541.29

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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.