Home / 2,340.65-3,511.59-1,108.04

Finding the Fourth Proportional to 2,340.65, 3,511.59 and 1,108.04

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Solution

The fourth proportional to 2,340.65, 3,511.59 and 1,108.04 is: 1,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.65 : 3,511.59 = 1,108.04 : x
  2. Step 2: Convert to fraction form
    2,340.65/3,511.59 = 1,108.04/x
  3. Step 3: Cross multiply
    2,340.65x = 3,511.59 × 1,108.04
  4. Step 4: Simplify right side
    2,340.65x = 3,890,964.63
  5. Step 5: Solve for x
    x = 3,890,964.63/2,340.65
  6. Step 6: Final answer
    x = 1,662.34

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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.