Home / 1,946.22-2,685.31-1,284.14

Finding the Fourth Proportional to 1,946.22, 2,685.31 and 1,284.14

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Solution

The fourth proportional to 1,946.22, 2,685.31 and 1,284.14 is: 1,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.22 : 2,685.31 = 1,284.14 : x
  2. Step 2: Convert to fraction form
    1,946.22/2,685.31 = 1,284.14/x
  3. Step 3: Cross multiply
    1,946.22x = 2,685.31 × 1,284.14
  4. Step 4: Simplify right side
    1,946.22x = 3,448,313.98
  5. Step 5: Solve for x
    x = 3,448,313.98/1,946.22
  6. Step 6: Final answer
    x = 1,771.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.