Home / 2,611.36-3,916.08-1,516

Finding the Fourth Proportional to 2,611.36, 3,916.08 and 1,516

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Solution

The fourth proportional to 2,611.36, 3,916.08 and 1,516 is: 2,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.36 : 3,916.08 = 1,516 : x
  2. Step 2: Convert to fraction form
    2,611.36/3,916.08 = 1,516/x
  3. Step 3: Cross multiply
    2,611.36x = 3,916.08 × 1,516
  4. Step 4: Simplify right side
    2,611.36x = 5,936,777.28
  5. Step 5: Solve for x
    x = 5,936,777.28/2,611.36
  6. Step 6: Final answer
    x = 2,273.44

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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.