Home / 2,199.74-3,312.67-1,914.62

Finding the Fourth Proportional to 2,199.74, 3,312.67 and 1,914.62

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Solution

The fourth proportional to 2,199.74, 3,312.67 and 1,914.62 is: 2,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.74 : 3,312.67 = 1,914.62 : x
  2. Step 2: Convert to fraction form
    2,199.74/3,312.67 = 1,914.62/x
  3. Step 3: Cross multiply
    2,199.74x = 3,312.67 × 1,914.62
  4. Step 4: Simplify right side
    2,199.74x = 6,342,494.66
  5. Step 5: Solve for x
    x = 6,342,494.66/2,199.74
  6. Step 6: Final answer
    x = 2,883.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.