Home / 1,843.05-2,765.74-1,670.07

Finding the Fourth Proportional to 1,843.05, 2,765.74 and 1,670.07

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Solution

The fourth proportional to 1,843.05, 2,765.74 and 1,670.07 is: 2,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.05 : 2,765.74 = 1,670.07 : x
  2. Step 2: Convert to fraction form
    1,843.05/2,765.74 = 1,670.07/x
  3. Step 3: Cross multiply
    1,843.05x = 2,765.74 × 1,670.07
  4. Step 4: Simplify right side
    1,843.05x = 4,618,979.40
  5. Step 5: Solve for x
    x = 4,618,979.40/1,843.05
  6. Step 6: Final answer
    x = 2,506.16

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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.