Home / 1,930.92-2,664-1,184.31

Finding the Fourth Proportional to 1,930.92, 2,664 and 1,184.31

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Solution

The fourth proportional to 1,930.92, 2,664 and 1,184.31 is: 1,633.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.92 : 2,664 = 1,184.31 : x
  2. Step 2: Convert to fraction form
    1,930.92/2,664 = 1,184.31/x
  3. Step 3: Cross multiply
    1,930.92x = 2,664 × 1,184.31
  4. Step 4: Simplify right side
    1,930.92x = 3,155,001.84
  5. Step 5: Solve for x
    x = 3,155,001.84/1,930.92
  6. Step 6: Final answer
    x = 1,633.94

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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.