Home / 2,939.59-4,409.34-1,379.23

Finding the Fourth Proportional to 2,939.59, 4,409.34 and 1,379.23

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Solution

The fourth proportional to 2,939.59, 4,409.34 and 1,379.23 is: 2,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.59 : 4,409.34 = 1,379.23 : x
  2. Step 2: Convert to fraction form
    2,939.59/4,409.34 = 1,379.23/x
  3. Step 3: Cross multiply
    2,939.59x = 4,409.34 × 1,379.23
  4. Step 4: Simplify right side
    2,939.59x = 6,081,477.81
  5. Step 5: Solve for x
    x = 6,081,477.81/2,939.59
  6. Step 6: Final answer
    x = 2,068.82

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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.