Home / 1,940.03-2,677.20-1,055.83

Finding the Fourth Proportional to 1,940.03, 2,677.20 and 1,055.83

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Solution

The fourth proportional to 1,940.03, 2,677.20 and 1,055.83 is: 1,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.03 : 2,677.20 = 1,055.83 : x
  2. Step 2: Convert to fraction form
    1,940.03/2,677.20 = 1,055.83/x
  3. Step 3: Cross multiply
    1,940.03x = 2,677.20 × 1,055.83
  4. Step 4: Simplify right side
    1,940.03x = 2,826,668.08
  5. Step 5: Solve for x
    x = 2,826,668.08/1,940.03
  6. Step 6: Final answer
    x = 1,457.02

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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.