Home / 3,720.44-5,590.30-2,804.64

Finding the Fourth Proportional to 3,720.44, 5,590.30 and 2,804.64

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Solution

The fourth proportional to 3,720.44, 5,590.30 and 2,804.64 is: 4,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.44 : 5,590.30 = 2,804.64 : x
  2. Step 2: Convert to fraction form
    3,720.44/5,590.30 = 2,804.64/x
  3. Step 3: Cross multiply
    3,720.44x = 5,590.30 × 2,804.64
  4. Step 4: Simplify right side
    3,720.44x = 15,678,778.99
  5. Step 5: Solve for x
    x = 15,678,778.99/3,720.44
  6. Step 6: Final answer
    x = 4,214.23

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1.5x scale

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.