Home / 2,441.40-3,369.06-1,379.21

Finding the Fourth Proportional to 2,441.40, 3,369.06 and 1,379.21

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Solution

The fourth proportional to 2,441.40, 3,369.06 and 1,379.21 is: 1,903.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,441.40 : 3,369.06 = 1,379.21 : x
  2. Step 2: Convert to fraction form
    2,441.40/3,369.06 = 1,379.21/x
  3. Step 3: Cross multiply
    2,441.40x = 3,369.06 × 1,379.21
  4. Step 4: Simplify right side
    2,441.40x = 4,646,649.67
  5. Step 5: Solve for x
    x = 4,646,649.67/2,441.40
  6. Step 6: Final answer
    x = 1,903.27

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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.