Home / 2,862.76-4,294.94-1,219.40

Finding the Fourth Proportional to 2,862.76, 4,294.94 and 1,219.40

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Solution

The fourth proportional to 2,862.76, 4,294.94 and 1,219.40 is: 1,829.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.76 : 4,294.94 = 1,219.40 : x
  2. Step 2: Convert to fraction form
    2,862.76/4,294.94 = 1,219.40/x
  3. Step 3: Cross multiply
    2,862.76x = 4,294.94 × 1,219.40
  4. Step 4: Simplify right side
    2,862.76x = 5,237,249.84
  5. Step 5: Solve for x
    x = 5,237,249.84/2,862.76
  6. Step 6: Final answer
    x = 1,829.44

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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.