Home / 1,930.05-2,663.46-1,045.85

Finding the Fourth Proportional to 1,930.05, 2,663.46 and 1,045.85

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Solution

The fourth proportional to 1,930.05, 2,663.46 and 1,045.85 is: 1,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.05 : 2,663.46 = 1,045.85 : x
  2. Step 2: Convert to fraction form
    1,930.05/2,663.46 = 1,045.85/x
  3. Step 3: Cross multiply
    1,930.05x = 2,663.46 × 1,045.85
  4. Step 4: Simplify right side
    1,930.05x = 2,785,566.32
  5. Step 5: Solve for x
    x = 2,785,566.32/1,930.05
  6. Step 6: Final answer
    x = 1,443.26

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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.