Home / 2,971.46-4,448.87-2,238.74

Finding the Fourth Proportional to 2,971.46, 4,448.87 and 2,238.74

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Solution

The fourth proportional to 2,971.46, 4,448.87 and 2,238.74 is: 3,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.46 : 4,448.87 = 2,238.74 : x
  2. Step 2: Convert to fraction form
    2,971.46/4,448.87 = 2,238.74/x
  3. Step 3: Cross multiply
    2,971.46x = 4,448.87 × 2,238.74
  4. Step 4: Simplify right side
    2,971.46x = 9,959,863.22
  5. Step 5: Solve for x
    x = 9,959,863.22/2,971.46
  6. Step 6: Final answer
    x = 3,351.84

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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.