Home / 3,172.15-4,759.04-1,857.01

Finding the Fourth Proportional to 3,172.15, 4,759.04 and 1,857.01

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Solution

The fourth proportional to 3,172.15, 4,759.04 and 1,857.01 is: 2,785.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.15 : 4,759.04 = 1,857.01 : x
  2. Step 2: Convert to fraction form
    3,172.15/4,759.04 = 1,857.01/x
  3. Step 3: Cross multiply
    3,172.15x = 4,759.04 × 1,857.01
  4. Step 4: Simplify right side
    3,172.15x = 8,837,584.87
  5. Step 5: Solve for x
    x = 8,837,584.87/3,172.15
  6. Step 6: Final answer
    x = 2,785.99

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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.