Home / 2,611.93-3,916.99-1,225.92

Finding the Fourth Proportional to 2,611.93, 3,916.99 and 1,225.92

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Solution

The fourth proportional to 2,611.93, 3,916.99 and 1,225.92 is: 1,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.93 : 3,916.99 = 1,225.92 : x
  2. Step 2: Convert to fraction form
    2,611.93/3,916.99 = 1,225.92/x
  3. Step 3: Cross multiply
    2,611.93x = 3,916.99 × 1,225.92
  4. Step 4: Simplify right side
    2,611.93x = 4,801,916.38
  5. Step 5: Solve for x
    x = 4,801,916.38/2,611.93
  6. Step 6: Final answer
    x = 1,838.46

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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.