Home / 3,069.44-4,235.84-1,672.19

Finding the Fourth Proportional to 3,069.44, 4,235.84 and 1,672.19

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Solution

The fourth proportional to 3,069.44, 4,235.84 and 1,672.19 is: 2,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.44 : 4,235.84 = 1,672.19 : x
  2. Step 2: Convert to fraction form
    3,069.44/4,235.84 = 1,672.19/x
  3. Step 3: Cross multiply
    3,069.44x = 4,235.84 × 1,672.19
  4. Step 4: Simplify right side
    3,069.44x = 7,083,129.29
  5. Step 5: Solve for x
    x = 7,083,129.29/3,069.44
  6. Step 6: Final answer
    x = 2,307.63

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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.