Home / 2,272.81-3,410.03-1,119.37

Finding the Fourth Proportional to 2,272.81, 3,410.03 and 1,119.37

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Solution

The fourth proportional to 2,272.81, 3,410.03 and 1,119.37 is: 1,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.81 : 3,410.03 = 1,119.37 : x
  2. Step 2: Convert to fraction form
    2,272.81/3,410.03 = 1,119.37/x
  3. Step 3: Cross multiply
    2,272.81x = 3,410.03 × 1,119.37
  4. Step 4: Simplify right side
    2,272.81x = 3,817,085.28
  5. Step 5: Solve for x
    x = 3,817,085.28/2,272.81
  6. Step 6: Final answer
    x = 1,679.46

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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.