Home / 1,930.06-2,663.86-1,090.77

Finding the Fourth Proportional to 1,930.06, 2,663.86 and 1,090.77

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Solution

The fourth proportional to 1,930.06, 2,663.86 and 1,090.77 is: 1,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.06 : 2,663.86 = 1,090.77 : x
  2. Step 2: Convert to fraction form
    1,930.06/2,663.86 = 1,090.77/x
  3. Step 3: Cross multiply
    1,930.06x = 2,663.86 × 1,090.77
  4. Step 4: Simplify right side
    1,930.06x = 2,905,658.57
  5. Step 5: Solve for x
    x = 2,905,658.57/1,930.06
  6. Step 6: Final answer
    x = 1,505.48

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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.