Home / 1,975.73-2,726.00-1,178.55

Finding the Fourth Proportional to 1,975.73, 2,726.00 and 1,178.55

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Solution

The fourth proportional to 1,975.73, 2,726.00 and 1,178.55 is: 1,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.73 : 2,726.00 = 1,178.55 : x
  2. Step 2: Convert to fraction form
    1,975.73/2,726.00 = 1,178.55/x
  3. Step 3: Cross multiply
    1,975.73x = 2,726.00 × 1,178.55
  4. Step 4: Simplify right side
    1,975.73x = 3,212,721.41
  5. Step 5: Solve for x
    x = 3,212,721.41/1,975.73
  6. Step 6: Final answer
    x = 1,626.10

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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.