Home / 3,424.90-5,137.25-1,235.05

Finding the Fourth Proportional to 3,424.90, 5,137.25 and 1,235.05

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Solution

The fourth proportional to 3,424.90, 5,137.25 and 1,235.05 is: 1,852.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.90 : 5,137.25 = 1,235.05 : x
  2. Step 2: Convert to fraction form
    3,424.90/5,137.25 = 1,235.05/x
  3. Step 3: Cross multiply
    3,424.90x = 5,137.25 × 1,235.05
  4. Step 4: Simplify right side
    3,424.90x = 6,344,754.44
  5. Step 5: Solve for x
    x = 6,344,754.44/3,424.90
  6. Step 6: Final answer
    x = 1,852.54

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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.