Home / 2,916.84-4,375.26-1,185.60

Finding the Fourth Proportional to 2,916.84, 4,375.26 and 1,185.60

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Solution

The fourth proportional to 2,916.84, 4,375.26 and 1,185.60 is: 1,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.84 : 4,375.26 = 1,185.60 : x
  2. Step 2: Convert to fraction form
    2,916.84/4,375.26 = 1,185.60/x
  3. Step 3: Cross multiply
    2,916.84x = 4,375.26 × 1,185.60
  4. Step 4: Simplify right side
    2,916.84x = 5,187,308.26
  5. Step 5: Solve for x
    x = 5,187,308.26/2,916.84
  6. Step 6: Final answer
    x = 1,778.40

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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.