Home / 2,805.03-4,207.55-1,159.79

Finding the Fourth Proportional to 2,805.03, 4,207.55 and 1,159.79

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Solution

The fourth proportional to 2,805.03, 4,207.55 and 1,159.79 is: 1,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,805.03 : 4,207.55 = 1,159.79 : x
  2. Step 2: Convert to fraction form
    2,805.03/4,207.55 = 1,159.79/x
  3. Step 3: Cross multiply
    2,805.03x = 4,207.55 × 1,159.79
  4. Step 4: Simplify right side
    2,805.03x = 4,879,847.58
  5. Step 5: Solve for x
    x = 4,879,847.58/2,805.03
  6. Step 6: Final answer
    x = 1,739.68

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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.