Home / 1,940.63-2,678.00-1,056.38

Finding the Fourth Proportional to 1,940.63, 2,678.00 and 1,056.38

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Solution

The fourth proportional to 1,940.63, 2,678.00 and 1,056.38 is: 1,457.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.63 : 2,678.00 = 1,056.38 : x
  2. Step 2: Convert to fraction form
    1,940.63/2,678.00 = 1,056.38/x
  3. Step 3: Cross multiply
    1,940.63x = 2,678.00 × 1,056.38
  4. Step 4: Simplify right side
    1,940.63x = 2,828,966.97
  5. Step 5: Solve for x
    x = 2,828,966.97/1,940.63
  6. Step 6: Final answer
    x = 1,457.76

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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.