Home / 1,939.02-2,675.70-1,099.53

Finding the Fourth Proportional to 1,939.02, 2,675.70 and 1,099.53

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Solution

The fourth proportional to 1,939.02, 2,675.70 and 1,099.53 is: 1,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.02 : 2,675.70 = 1,099.53 : x
  2. Step 2: Convert to fraction form
    1,939.02/2,675.70 = 1,099.53/x
  3. Step 3: Cross multiply
    1,939.02x = 2,675.70 × 1,099.53
  4. Step 4: Simplify right side
    1,939.02x = 2,942,012.42
  5. Step 5: Solve for x
    x = 2,942,012.42/1,939.02
  6. Step 6: Final answer
    x = 1,517.27

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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.