Home / 1,940.56-2,678.04-1,056.44

Finding the Fourth Proportional to 1,940.56, 2,678.04 and 1,056.44

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Solution

The fourth proportional to 1,940.56, 2,678.04 and 1,056.44 is: 1,457.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.56 : 2,678.04 = 1,056.44 : x
  2. Step 2: Convert to fraction form
    1,940.56/2,678.04 = 1,056.44/x
  3. Step 3: Cross multiply
    1,940.56x = 2,678.04 × 1,056.44
  4. Step 4: Simplify right side
    1,940.56x = 2,829,188.58
  5. Step 5: Solve for x
    x = 2,829,188.58/1,940.56
  6. Step 6: Final answer
    x = 1,457.92

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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.