Home / 2,345.90-3,519.05-1,029.75

Finding the Fourth Proportional to 2,345.90, 3,519.05 and 1,029.75

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Solution

The fourth proportional to 2,345.90, 3,519.05 and 1,029.75 is: 1,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,345.90 : 3,519.05 = 1,029.75 : x
  2. Step 2: Convert to fraction form
    2,345.90/3,519.05 = 1,029.75/x
  3. Step 3: Cross multiply
    2,345.90x = 3,519.05 × 1,029.75
  4. Step 4: Simplify right side
    2,345.90x = 3,623,736.59
  5. Step 5: Solve for x
    x = 3,623,736.59/2,345.90
  6. Step 6: Final answer
    x = 1,544.71

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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.