Home / 2,878.19-4,313.67-1,232.81

Finding the Fourth Proportional to 2,878.19, 4,313.67 and 1,232.81

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Solution

The fourth proportional to 2,878.19, 4,313.67 and 1,232.81 is: 1,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.19 : 4,313.67 = 1,232.81 : x
  2. Step 2: Convert to fraction form
    2,878.19/4,313.67 = 1,232.81/x
  3. Step 3: Cross multiply
    2,878.19x = 4,313.67 × 1,232.81
  4. Step 4: Simplify right side
    2,878.19x = 5,317,913.94
  5. Step 5: Solve for x
    x = 5,317,913.94/2,878.19
  6. Step 6: Final answer
    x = 1,847.66

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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.