Home / 2,448.90-3,379.32-1,400.94

Finding the Fourth Proportional to 2,448.90, 3,379.32 and 1,400.94

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Solution

The fourth proportional to 2,448.90, 3,379.32 and 1,400.94 is: 1,933.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.90 : 3,379.32 = 1,400.94 : x
  2. Step 2: Convert to fraction form
    2,448.90/3,379.32 = 1,400.94/x
  3. Step 3: Cross multiply
    2,448.90x = 3,379.32 × 1,400.94
  4. Step 4: Simplify right side
    2,448.90x = 4,734,224.56
  5. Step 5: Solve for x
    x = 4,734,224.56/2,448.90
  6. Step 6: Final answer
    x = 1,933.20

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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.