Home / 2,845.81-3,927.41-1,726.89

Finding the Fourth Proportional to 2,845.81, 3,927.41 and 1,726.89

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Solution

The fourth proportional to 2,845.81, 3,927.41 and 1,726.89 is: 2,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.81 : 3,927.41 = 1,726.89 : x
  2. Step 2: Convert to fraction form
    2,845.81/3,927.41 = 1,726.89/x
  3. Step 3: Cross multiply
    2,845.81x = 3,927.41 × 1,726.89
  4. Step 4: Simplify right side
    2,845.81x = 6,782,205.05
  5. Step 5: Solve for x
    x = 6,782,205.05/2,845.81
  6. Step 6: Final answer
    x = 2,383.22

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1.5x scale

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.