Home / 2,858.03-3,943.82-1,810.07

Finding the Fourth Proportional to 2,858.03, 3,943.82 and 1,810.07

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Solution

The fourth proportional to 2,858.03, 3,943.82 and 1,810.07 is: 2,497.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.03 : 3,943.82 = 1,810.07 : x
  2. Step 2: Convert to fraction form
    2,858.03/3,943.82 = 1,810.07/x
  3. Step 3: Cross multiply
    2,858.03x = 3,943.82 × 1,810.07
  4. Step 4: Simplify right side
    2,858.03x = 7,138,575.88
  5. Step 5: Solve for x
    x = 7,138,575.88/2,858.03
  6. Step 6: Final answer
    x = 2,497.73

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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.