Home / 2,076.36-2,858.94-1,780.44

Finding the Fourth Proportional to 2,076.36, 2,858.94 and 1,780.44

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Solution

The fourth proportional to 2,076.36, 2,858.94 and 1,780.44 is: 2,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.36 : 2,858.94 = 1,780.44 : x
  2. Step 2: Convert to fraction form
    2,076.36/2,858.94 = 1,780.44/x
  3. Step 3: Cross multiply
    2,076.36x = 2,858.94 × 1,780.44
  4. Step 4: Simplify right side
    2,076.36x = 5,090,171.13
  5. Step 5: Solve for x
    x = 5,090,171.13/2,076.36
  6. Step 6: Final answer
    x = 2,451.49

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1.5x scale

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.