Home / 2,027.20-3,041.70-986.80

Finding the Fourth Proportional to 2,027.20, 3,041.70 and 986.80

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Solution

The fourth proportional to 2,027.20, 3,041.70 and 986.80 is: 1,480.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.20 : 3,041.70 = 986.80 : x
  2. Step 2: Convert to fraction form
    2,027.20/3,041.70 = 986.80/x
  3. Step 3: Cross multiply
    2,027.20x = 3,041.70 × 986.80
  4. Step 4: Simplify right side
    2,027.20x = 3,001,549.56
  5. Step 5: Solve for x
    x = 3,001,549.56/2,027.20
  6. Step 6: Final answer
    x = 1,480.64

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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.