Home / 3,039.09-4,558.70-847.81

Finding the Fourth Proportional to 3,039.09, 4,558.70 and 847.81

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Solution

The fourth proportional to 3,039.09, 4,558.70 and 847.81 is: 1,271.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.09 : 4,558.70 = 847.81 : x
  2. Step 2: Convert to fraction form
    3,039.09/4,558.70 = 847.81/x
  3. Step 3: Cross multiply
    3,039.09x = 4,558.70 × 847.81
  4. Step 4: Simplify right side
    3,039.09x = 3,864,911.45
  5. Step 5: Solve for x
    x = 3,864,911.45/3,039.09
  6. Step 6: Final answer
    x = 1,271.73

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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.