Home / 3,804.08-5,707.20-2,415.20

Finding the Fourth Proportional to 3,804.08, 5,707.20 and 2,415.20

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Solution

The fourth proportional to 3,804.08, 5,707.20 and 2,415.20 is: 3,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.08 : 5,707.20 = 2,415.20 : x
  2. Step 2: Convert to fraction form
    3,804.08/5,707.20 = 2,415.20/x
  3. Step 3: Cross multiply
    3,804.08x = 5,707.20 × 2,415.20
  4. Step 4: Simplify right side
    3,804.08x = 13,784,029.44
  5. Step 5: Solve for x
    x = 13,784,029.44/3,804.08
  6. Step 6: Final answer
    x = 3,623.49

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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.