Home / 2,660.24-3,670.70-1,481.28

Finding the Fourth Proportional to 2,660.24, 3,670.70 and 1,481.28

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Solution

The fourth proportional to 2,660.24, 3,670.70 and 1,481.28 is: 2,043.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.24 : 3,670.70 = 1,481.28 : x
  2. Step 2: Convert to fraction form
    2,660.24/3,670.70 = 1,481.28/x
  3. Step 3: Cross multiply
    2,660.24x = 3,670.70 × 1,481.28
  4. Step 4: Simplify right side
    2,660.24x = 5,437,334.50
  5. Step 5: Solve for x
    x = 5,437,334.50/2,660.24
  6. Step 6: Final answer
    x = 2,043.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.