Home / 1,905.92-2,859.68-1,136

Finding the Fourth Proportional to 1,905.92, 2,859.68 and 1,136

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Solution

The fourth proportional to 1,905.92, 2,859.68 and 1,136 is: 1,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905.92 : 2,859.68 = 1,136 : x
  2. Step 2: Convert to fraction form
    1,905.92/2,859.68 = 1,136/x
  3. Step 3: Cross multiply
    1,905.92x = 2,859.68 × 1,136
  4. Step 4: Simplify right side
    1,905.92x = 3,248,596.48
  5. Step 5: Solve for x
    x = 3,248,596.48/1,905.92
  6. Step 6: Final answer
    x = 1,704.48

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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.