Home / 1,740.73-2,405.24-1,370.65

Finding the Fourth Proportional to 1,740.73, 2,405.24 and 1,370.65

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Solution

The fourth proportional to 1,740.73, 2,405.24 and 1,370.65 is: 1,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.73 : 2,405.24 = 1,370.65 : x
  2. Step 2: Convert to fraction form
    1,740.73/2,405.24 = 1,370.65/x
  3. Step 3: Cross multiply
    1,740.73x = 2,405.24 × 1,370.65
  4. Step 4: Simplify right side
    1,740.73x = 3,296,742.21
  5. Step 5: Solve for x
    x = 3,296,742.21/1,740.73
  6. Step 6: Final answer
    x = 1,893.88

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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.