Home / 2,149.48-2,964.61-1,441.09

Finding the Fourth Proportional to 2,149.48, 2,964.61 and 1,441.09

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Solution

The fourth proportional to 2,149.48, 2,964.61 and 1,441.09 is: 1,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.48 : 2,964.61 = 1,441.09 : x
  2. Step 2: Convert to fraction form
    2,149.48/2,964.61 = 1,441.09/x
  3. Step 3: Cross multiply
    2,149.48x = 2,964.61 × 1,441.09
  4. Step 4: Simplify right side
    2,149.48x = 4,272,269.82
  5. Step 5: Solve for x
    x = 4,272,269.82/2,149.48
  6. Step 6: Final answer
    x = 1,987.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.