Home / 3,247.23-4,869.81-1,055.43

Finding the Fourth Proportional to 3,247.23, 4,869.81 and 1,055.43

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Solution

The fourth proportional to 3,247.23, 4,869.81 and 1,055.43 is: 1,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.23 : 4,869.81 = 1,055.43 : x
  2. Step 2: Convert to fraction form
    3,247.23/4,869.81 = 1,055.43/x
  3. Step 3: Cross multiply
    3,247.23x = 4,869.81 × 1,055.43
  4. Step 4: Simplify right side
    3,247.23x = 5,139,743.57
  5. Step 5: Solve for x
    x = 5,139,743.57/3,247.23
  6. Step 6: Final answer
    x = 1,582.81

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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.