Home / 1,895.81-2,848.23-1,238.22

Finding the Fourth Proportional to 1,895.81, 2,848.23 and 1,238.22

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Solution

The fourth proportional to 1,895.81, 2,848.23 and 1,238.22 is: 1,860.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.81 : 2,848.23 = 1,238.22 : x
  2. Step 2: Convert to fraction form
    1,895.81/2,848.23 = 1,238.22/x
  3. Step 3: Cross multiply
    1,895.81x = 2,848.23 × 1,238.22
  4. Step 4: Simplify right side
    1,895.81x = 3,526,735.35
  5. Step 5: Solve for x
    x = 3,526,735.35/1,895.81
  6. Step 6: Final answer
    x = 1,860.28

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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.