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Finding the Fourth Proportional to 2,756.93, 4,136 and 907.97

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Solution

The fourth proportional to 2,756.93, 4,136 and 907.97 is: 1,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.93 : 4,136 = 907.97 : x
  2. Step 2: Convert to fraction form
    2,756.93/4,136 = 907.97/x
  3. Step 3: Cross multiply
    2,756.93x = 4,136 × 907.97
  4. Step 4: Simplify right side
    2,756.93x = 3,755,363.92
  5. Step 5: Solve for x
    x = 3,755,363.92/2,756.93
  6. Step 6: Final answer
    x = 1,362.15

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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.