Home / 2,648.56-3,972.66-1,004.80

Finding the Fourth Proportional to 2,648.56, 3,972.66 and 1,004.80

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Solution

The fourth proportional to 2,648.56, 3,972.66 and 1,004.80 is: 1,507.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.56 : 3,972.66 = 1,004.80 : x
  2. Step 2: Convert to fraction form
    2,648.56/3,972.66 = 1,004.80/x
  3. Step 3: Cross multiply
    2,648.56x = 3,972.66 × 1,004.80
  4. Step 4: Simplify right side
    2,648.56x = 3,991,728.77
  5. Step 5: Solve for x
    x = 3,991,728.77/2,648.56
  6. Step 6: Final answer
    x = 1,507.13

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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.