Home / 2,696.45-4,036.21-1,858.59

Finding the Fourth Proportional to 2,696.45, 4,036.21 and 1,858.59

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Solution

The fourth proportional to 2,696.45, 4,036.21 and 1,858.59 is: 2,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.45 : 4,036.21 = 1,858.59 : x
  2. Step 2: Convert to fraction form
    2,696.45/4,036.21 = 1,858.59/x
  3. Step 3: Cross multiply
    2,696.45x = 4,036.21 × 1,858.59
  4. Step 4: Simplify right side
    2,696.45x = 7,501,654.90
  5. Step 5: Solve for x
    x = 7,501,654.90/2,696.45
  6. Step 6: Final answer
    x = 2,782.05

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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.