Home / 2,840.06-4,260.49-1,379.02

Finding the Fourth Proportional to 2,840.06, 4,260.49 and 1,379.02

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Solution

The fourth proportional to 2,840.06, 4,260.49 and 1,379.02 is: 2,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.06 : 4,260.49 = 1,379.02 : x
  2. Step 2: Convert to fraction form
    2,840.06/4,260.49 = 1,379.02/x
  3. Step 3: Cross multiply
    2,840.06x = 4,260.49 × 1,379.02
  4. Step 4: Simplify right side
    2,840.06x = 5,875,286.82
  5. Step 5: Solve for x
    x = 5,875,286.82/2,840.06
  6. Step 6: Final answer
    x = 2,068.72

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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.