Home / 1,660.08-2,490.34-1,270.82

Finding the Fourth Proportional to 1,660.08, 2,490.34 and 1,270.82

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Solution

The fourth proportional to 1,660.08, 2,490.34 and 1,270.82 is: 1,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.08 : 2,490.34 = 1,270.82 : x
  2. Step 2: Convert to fraction form
    1,660.08/2,490.34 = 1,270.82/x
  3. Step 3: Cross multiply
    1,660.08x = 2,490.34 × 1,270.82
  4. Step 4: Simplify right side
    1,660.08x = 3,164,773.88
  5. Step 5: Solve for x
    x = 3,164,773.88/1,660.08
  6. Step 6: Final answer
    x = 1,906.40

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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.