Home / 1,975.90-2,726.97-1,136.89

Finding the Fourth Proportional to 1,975.90, 2,726.97 and 1,136.89

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Solution

The fourth proportional to 1,975.90, 2,726.97 and 1,136.89 is: 1,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.90 : 2,726.97 = 1,136.89 : x
  2. Step 2: Convert to fraction form
    1,975.90/2,726.97 = 1,136.89/x
  3. Step 3: Cross multiply
    1,975.90x = 2,726.97 × 1,136.89
  4. Step 4: Simplify right side
    1,975.90x = 3,100,264.92
  5. Step 5: Solve for x
    x = 3,100,264.92/1,975.90
  6. Step 6: Final answer
    x = 1,569.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.