Home / 1,885.28-2,601.82-1,099.26

Finding the Fourth Proportional to 1,885.28, 2,601.82 and 1,099.26

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Solution

The fourth proportional to 1,885.28, 2,601.82 and 1,099.26 is: 1,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.28 : 2,601.82 = 1,099.26 : x
  2. Step 2: Convert to fraction form
    1,885.28/2,601.82 = 1,099.26/x
  3. Step 3: Cross multiply
    1,885.28x = 2,601.82 × 1,099.26
  4. Step 4: Simplify right side
    1,885.28x = 2,860,076.65
  5. Step 5: Solve for x
    x = 2,860,076.65/1,885.28
  6. Step 6: Final answer
    x = 1,517.06

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1.5x scale

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.