Home / 3,706.24-5,107.44-2,820.64

Finding the Fourth Proportional to 3,706.24, 5,107.44 and 2,820.64

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Solution

The fourth proportional to 3,706.24, 5,107.44 and 2,820.64 is: 3,887.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.24 : 5,107.44 = 2,820.64 : x
  2. Step 2: Convert to fraction form
    3,706.24/5,107.44 = 2,820.64/x
  3. Step 3: Cross multiply
    3,706.24x = 5,107.44 × 2,820.64
  4. Step 4: Simplify right side
    3,706.24x = 14,406,249.56
  5. Step 5: Solve for x
    x = 14,406,249.56/3,706.24
  6. Step 6: Final answer
    x = 3,887.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.