Home / 3,728.19-5,590.91-1,095.02

Finding the Fourth Proportional to 3,728.19, 5,590.91 and 1,095.02

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Solution

The fourth proportional to 3,728.19, 5,590.91 and 1,095.02 is: 1,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.19 : 5,590.91 = 1,095.02 : x
  2. Step 2: Convert to fraction form
    3,728.19/5,590.91 = 1,095.02/x
  3. Step 3: Cross multiply
    3,728.19x = 5,590.91 × 1,095.02
  4. Step 4: Simplify right side
    3,728.19x = 6,122,128.94
  5. Step 5: Solve for x
    x = 6,122,128.94/3,728.19
  6. Step 6: Final answer
    x = 1,642.12

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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.