Home / 3,407.21-5,107.73-1,651.11

Finding the Fourth Proportional to 3,407.21, 5,107.73 and 1,651.11

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Solution

The fourth proportional to 3,407.21, 5,107.73 and 1,651.11 is: 2,475.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.21 : 5,107.73 = 1,651.11 : x
  2. Step 2: Convert to fraction form
    3,407.21/5,107.73 = 1,651.11/x
  3. Step 3: Cross multiply
    3,407.21x = 5,107.73 × 1,651.11
  4. Step 4: Simplify right side
    3,407.21x = 8,433,415.82
  5. Step 5: Solve for x
    x = 8,433,415.82/3,407.21
  6. Step 6: Final answer
    x = 2,475.17

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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.