Home / 1,648.98-2,474.67-1,328.22

Finding the Fourth Proportional to 1,648.98, 2,474.67 and 1,328.22

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Solution

The fourth proportional to 1,648.98, 2,474.67 and 1,328.22 is: 1,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648.98 : 2,474.67 = 1,328.22 : x
  2. Step 2: Convert to fraction form
    1,648.98/2,474.67 = 1,328.22/x
  3. Step 3: Cross multiply
    1,648.98x = 2,474.67 × 1,328.22
  4. Step 4: Simplify right side
    1,648.98x = 3,286,906.19
  5. Step 5: Solve for x
    x = 3,286,906.19/1,648.98
  6. Step 6: Final answer
    x = 1,993.30

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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.