Home / 3,690.48-5,537.76-1,959.04

Finding the Fourth Proportional to 3,690.48, 5,537.76 and 1,959.04

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Solution

The fourth proportional to 3,690.48, 5,537.76 and 1,959.04 is: 2,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.48 : 5,537.76 = 1,959.04 : x
  2. Step 2: Convert to fraction form
    3,690.48/5,537.76 = 1,959.04/x
  3. Step 3: Cross multiply
    3,690.48x = 5,537.76 × 1,959.04
  4. Step 4: Simplify right side
    3,690.48x = 10,848,693.35
  5. Step 5: Solve for x
    x = 10,848,693.35/3,690.48
  6. Step 6: Final answer
    x = 2,939.64

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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.