Home / 1,885.32-2,601.78-1,099.42

Finding the Fourth Proportional to 1,885.32, 2,601.78 and 1,099.42

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Solution

The fourth proportional to 1,885.32, 2,601.78 and 1,099.42 is: 1,517.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885.32 : 2,601.78 = 1,099.42 : x
  2. Step 2: Convert to fraction form
    1,885.32/2,601.78 = 1,099.42/x
  3. Step 3: Cross multiply
    1,885.32x = 2,601.78 × 1,099.42
  4. Step 4: Simplify right side
    1,885.32x = 2,860,448.97
  5. Step 5: Solve for x
    x = 2,860,448.97/1,885.32
  6. Step 6: Final answer
    x = 1,517.22

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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.