Home / 1,809.55-2,712.26-1,369.37

Finding the Fourth Proportional to 1,809.55, 2,712.26 and 1,369.37

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Solution

The fourth proportional to 1,809.55, 2,712.26 and 1,369.37 is: 2,052.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.55 : 2,712.26 = 1,369.37 : x
  2. Step 2: Convert to fraction form
    1,809.55/2,712.26 = 1,369.37/x
  3. Step 3: Cross multiply
    1,809.55x = 2,712.26 × 1,369.37
  4. Step 4: Simplify right side
    1,809.55x = 3,714,077.34
  5. Step 5: Solve for x
    x = 3,714,077.34/1,809.55
  6. Step 6: Final answer
    x = 2,052.49

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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.