Home / 3,211.48-4,817.04-1,131.58

Finding the Fourth Proportional to 3,211.48, 4,817.04 and 1,131.58

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Solution

The fourth proportional to 3,211.48, 4,817.04 and 1,131.58 is: 1,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.48 : 4,817.04 = 1,131.58 : x
  2. Step 2: Convert to fraction form
    3,211.48/4,817.04 = 1,131.58/x
  3. Step 3: Cross multiply
    3,211.48x = 4,817.04 × 1,131.58
  4. Step 4: Simplify right side
    3,211.48x = 5,450,866.12
  5. Step 5: Solve for x
    x = 5,450,866.12/3,211.48
  6. Step 6: Final answer
    x = 1,697.31

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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.