Home / 1,946.06-2,685.06-1,189.64

Finding the Fourth Proportional to 1,946.06, 2,685.06 and 1,189.64

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Solution

The fourth proportional to 1,946.06, 2,685.06 and 1,189.64 is: 1,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.06 : 2,685.06 = 1,189.64 : x
  2. Step 2: Convert to fraction form
    1,946.06/2,685.06 = 1,189.64/x
  3. Step 3: Cross multiply
    1,946.06x = 2,685.06 × 1,189.64
  4. Step 4: Simplify right side
    1,946.06x = 3,194,241.35
  5. Step 5: Solve for x
    x = 3,194,241.35/1,946.06
  6. Step 6: Final answer
    x = 1,641.39

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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.