Home / 1,919.67-2,877.37-1,096.13

Finding the Fourth Proportional to 1,919.67, 2,877.37 and 1,096.13

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Solution

The fourth proportional to 1,919.67, 2,877.37 and 1,096.13 is: 1,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.67 : 2,877.37 = 1,096.13 : x
  2. Step 2: Convert to fraction form
    1,919.67/2,877.37 = 1,096.13/x
  3. Step 3: Cross multiply
    1,919.67x = 2,877.37 × 1,096.13
  4. Step 4: Simplify right side
    1,919.67x = 3,153,982.20
  5. Step 5: Solve for x
    x = 3,153,982.20/1,919.67
  6. Step 6: Final answer
    x = 1,642.98

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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.