Home / 1,660.21-2,490.46-837.95

Finding the Fourth Proportional to 1,660.21, 2,490.46 and 837.95

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Solution

The fourth proportional to 1,660.21, 2,490.46 and 837.95 is: 1,257.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660.21 : 2,490.46 = 837.95 : x
  2. Step 2: Convert to fraction form
    1,660.21/2,490.46 = 837.95/x
  3. Step 3: Cross multiply
    1,660.21x = 2,490.46 × 837.95
  4. Step 4: Simplify right side
    1,660.21x = 2,086,885.09
  5. Step 5: Solve for x
    x = 2,086,885.09/1,660.21
  6. Step 6: Final answer
    x = 1,257.00

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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.