Home / 3,470.00-4,788.59-1,977.89

Finding the Fourth Proportional to 3,470.00, 4,788.59 and 1,977.89

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Solution

The fourth proportional to 3,470.00, 4,788.59 and 1,977.89 is: 2,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.00 : 4,788.59 = 1,977.89 : x
  2. Step 2: Convert to fraction form
    3,470.00/4,788.59 = 1,977.89/x
  3. Step 3: Cross multiply
    3,470.00x = 4,788.59 × 1,977.89
  4. Step 4: Simplify right side
    3,470.00x = 9,471,270.44
  5. Step 5: Solve for x
    x = 9,471,270.44/3,470.00
  6. Step 6: Final answer
    x = 2,729.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.