Home / 1,946.43-2,671.79-1,720.44

Finding the Fourth Proportional to 1,946.43, 2,671.79 and 1,720.44

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Solution

The fourth proportional to 1,946.43, 2,671.79 and 1,720.44 is: 2,361.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946.43 : 2,671.79 = 1,720.44 : x
  2. Step 2: Convert to fraction form
    1,946.43/2,671.79 = 1,720.44/x
  3. Step 3: Cross multiply
    1,946.43x = 2,671.79 × 1,720.44
  4. Step 4: Simplify right side
    1,946.43x = 4,596,645.79
  5. Step 5: Solve for x
    x = 4,596,645.79/1,946.43
  6. Step 6: Final answer
    x = 2,361.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.