Home / 3,107.12-4,661.40-1,627.14

Finding the Fourth Proportional to 3,107.12, 4,661.40 and 1,627.14

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Solution

The fourth proportional to 3,107.12, 4,661.40 and 1,627.14 is: 2,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.12 : 4,661.40 = 1,627.14 : x
  2. Step 2: Convert to fraction form
    3,107.12/4,661.40 = 1,627.14/x
  3. Step 3: Cross multiply
    3,107.12x = 4,661.40 × 1,627.14
  4. Step 4: Simplify right side
    3,107.12x = 7,584,750.40
  5. Step 5: Solve for x
    x = 7,584,750.40/3,107.12
  6. Step 6: Final answer
    x = 2,441.09

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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.