Home / 1,936.39-2,671.04-1,377.62

Finding the Fourth Proportional to 1,936.39, 2,671.04 and 1,377.62

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Solution

The fourth proportional to 1,936.39, 2,671.04 and 1,377.62 is: 1,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.39 : 2,671.04 = 1,377.62 : x
  2. Step 2: Convert to fraction form
    1,936.39/2,671.04 = 1,377.62/x
  3. Step 3: Cross multiply
    1,936.39x = 2,671.04 × 1,377.62
  4. Step 4: Simplify right side
    1,936.39x = 3,679,678.55
  5. Step 5: Solve for x
    x = 3,679,678.55/1,936.39
  6. Step 6: Final answer
    x = 1,900.28

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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.