Home / 1,940.62-2,677.97-1,056.43

Finding the Fourth Proportional to 1,940.62, 2,677.97 and 1,056.43

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Solution

The fourth proportional to 1,940.62, 2,677.97 and 1,056.43 is: 1,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.62 : 2,677.97 = 1,056.43 : x
  2. Step 2: Convert to fraction form
    1,940.62/2,677.97 = 1,056.43/x
  3. Step 3: Cross multiply
    1,940.62x = 2,677.97 × 1,056.43
  4. Step 4: Simplify right side
    1,940.62x = 2,829,069.18
  5. Step 5: Solve for x
    x = 2,829,069.18/1,940.62
  6. Step 6: Final answer
    x = 1,457.82

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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.