Home / 3,145.14-4,730.67-2,847.06

Finding the Fourth Proportional to 3,145.14, 4,730.67 and 2,847.06

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Solution

The fourth proportional to 3,145.14, 4,730.67 and 2,847.06 is: 4,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.14 : 4,730.67 = 2,847.06 : x
  2. Step 2: Convert to fraction form
    3,145.14/4,730.67 = 2,847.06/x
  3. Step 3: Cross multiply
    3,145.14x = 4,730.67 × 2,847.06
  4. Step 4: Simplify right side
    3,145.14x = 13,468,501.33
  5. Step 5: Solve for x
    x = 13,468,501.33/3,145.14
  6. Step 6: Final answer
    x = 4,282.32

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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.