Home / 3,211.39-4,815.93-1,362.63

Finding the Fourth Proportional to 3,211.39, 4,815.93 and 1,362.63

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Solution

The fourth proportional to 3,211.39, 4,815.93 and 1,362.63 is: 2,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.39 : 4,815.93 = 1,362.63 : x
  2. Step 2: Convert to fraction form
    3,211.39/4,815.93 = 1,362.63/x
  3. Step 3: Cross multiply
    3,211.39x = 4,815.93 × 1,362.63
  4. Step 4: Simplify right side
    3,211.39x = 6,562,330.70
  5. Step 5: Solve for x
    x = 6,562,330.70/3,211.39
  6. Step 6: Final answer
    x = 2,043.46

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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.