Home / 1,801.26-2,486.80-1,181.34

Finding the Fourth Proportional to 1,801.26, 2,486.80 and 1,181.34

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Solution

The fourth proportional to 1,801.26, 2,486.80 and 1,181.34 is: 1,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.26 : 2,486.80 = 1,181.34 : x
  2. Step 2: Convert to fraction form
    1,801.26/2,486.80 = 1,181.34/x
  3. Step 3: Cross multiply
    1,801.26x = 2,486.80 × 1,181.34
  4. Step 4: Simplify right side
    1,801.26x = 2,937,756.31
  5. Step 5: Solve for x
    x = 2,937,756.31/1,801.26
  6. Step 6: Final answer
    x = 1,630.95

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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.