Home / 1,847.21-2,548.67-1,100.84

Finding the Fourth Proportional to 1,847.21, 2,548.67 and 1,100.84

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Solution

The fourth proportional to 1,847.21, 2,548.67 and 1,100.84 is: 1,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.21 : 2,548.67 = 1,100.84 : x
  2. Step 2: Convert to fraction form
    1,847.21/2,548.67 = 1,100.84/x
  3. Step 3: Cross multiply
    1,847.21x = 2,548.67 × 1,100.84
  4. Step 4: Simplify right side
    1,847.21x = 2,805,659.64
  5. Step 5: Solve for x
    x = 2,805,659.64/1,847.21
  6. Step 6: Final answer
    x = 1,518.87

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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.