Home / 1,838.08-2,754.96-1,189.18

Finding the Fourth Proportional to 1,838.08, 2,754.96 and 1,189.18

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Solution

The fourth proportional to 1,838.08, 2,754.96 and 1,189.18 is: 1,782.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.08 : 2,754.96 = 1,189.18 : x
  2. Step 2: Convert to fraction form
    1,838.08/2,754.96 = 1,189.18/x
  3. Step 3: Cross multiply
    1,838.08x = 2,754.96 × 1,189.18
  4. Step 4: Simplify right side
    1,838.08x = 3,276,143.33
  5. Step 5: Solve for x
    x = 3,276,143.33/1,838.08
  6. Step 6: Final answer
    x = 1,782.37

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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.