Home / 2,890.48-4,335.90-1,159.09

Finding the Fourth Proportional to 2,890.48, 4,335.90 and 1,159.09

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Solution

The fourth proportional to 2,890.48, 4,335.90 and 1,159.09 is: 1,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.48 : 4,335.90 = 1,159.09 : x
  2. Step 2: Convert to fraction form
    2,890.48/4,335.90 = 1,159.09/x
  3. Step 3: Cross multiply
    2,890.48x = 4,335.90 × 1,159.09
  4. Step 4: Simplify right side
    2,890.48x = 5,025,698.33
  5. Step 5: Solve for x
    x = 5,025,698.33/2,890.48
  6. Step 6: Final answer
    x = 1,738.71

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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.