Home / 3,605.34-5,405.82-1,411.44

Finding the Fourth Proportional to 3,605.34, 5,405.82 and 1,411.44

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Solution

The fourth proportional to 3,605.34, 5,405.82 and 1,411.44 is: 2,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.34 : 5,405.82 = 1,411.44 : x
  2. Step 2: Convert to fraction form
    3,605.34/5,405.82 = 1,411.44/x
  3. Step 3: Cross multiply
    3,605.34x = 5,405.82 × 1,411.44
  4. Step 4: Simplify right side
    3,605.34x = 7,629,990.58
  5. Step 5: Solve for x
    x = 7,629,990.58/3,605.34
  6. Step 6: Final answer
    x = 2,116.30

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1.5x scale

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.