Home / 2,450.32-3,670.85-1,899.80

Finding the Fourth Proportional to 2,450.32, 3,670.85 and 1,899.80

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Solution

The fourth proportional to 2,450.32, 3,670.85 and 1,899.80 is: 2,846.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.32 : 3,670.85 = 1,899.80 : x
  2. Step 2: Convert to fraction form
    2,450.32/3,670.85 = 1,899.80/x
  3. Step 3: Cross multiply
    2,450.32x = 3,670.85 × 1,899.80
  4. Step 4: Simplify right side
    2,450.32x = 6,973,880.51
  5. Step 5: Solve for x
    x = 6,973,880.51/2,450.32
  6. Step 6: Final answer
    x = 2,846.11

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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.