Home / 1,930.59-2,898.36-1,006.79

Finding the Fourth Proportional to 1,930.59, 2,898.36 and 1,006.79

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Solution

The fourth proportional to 1,930.59, 2,898.36 and 1,006.79 is: 1,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.59 : 2,898.36 = 1,006.79 : x
  2. Step 2: Convert to fraction form
    1,930.59/2,898.36 = 1,006.79/x
  3. Step 3: Cross multiply
    1,930.59x = 2,898.36 × 1,006.79
  4. Step 4: Simplify right side
    1,930.59x = 2,918,025.37
  5. Step 5: Solve for x
    x = 2,918,025.37/1,930.59
  6. Step 6: Final answer
    x = 1,511.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.