Home / 3,211.39-4,431.92-1,795.08

Finding the Fourth Proportional to 3,211.39, 4,431.92 and 1,795.08

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Solution

The fourth proportional to 3,211.39, 4,431.92 and 1,795.08 is: 2,477.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.39 : 4,431.92 = 1,795.08 : x
  2. Step 2: Convert to fraction form
    3,211.39/4,431.92 = 1,795.08/x
  3. Step 3: Cross multiply
    3,211.39x = 4,431.92 × 1,795.08
  4. Step 4: Simplify right side
    3,211.39x = 7,955,650.95
  5. Step 5: Solve for x
    x = 7,955,650.95/3,211.39
  6. Step 6: Final answer
    x = 2,477.32

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1.5x scale

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.