Home / 2,259.58-3,390.68-1,219.59

Finding the Fourth Proportional to 2,259.58, 3,390.68 and 1,219.59

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Solution

The fourth proportional to 2,259.58, 3,390.68 and 1,219.59 is: 1,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.58 : 3,390.68 = 1,219.59 : x
  2. Step 2: Convert to fraction form
    2,259.58/3,390.68 = 1,219.59/x
  3. Step 3: Cross multiply
    2,259.58x = 3,390.68 × 1,219.59
  4. Step 4: Simplify right side
    2,259.58x = 4,135,239.42
  5. Step 5: Solve for x
    x = 4,135,239.42/2,259.58
  6. Step 6: Final answer
    x = 1,830.09

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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.