Home / 1,996.58-2,977.28-1,858.07

Finding the Fourth Proportional to 1,996.58, 2,977.28 and 1,858.07

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Solution

The fourth proportional to 1,996.58, 2,977.28 and 1,858.07 is: 2,770.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.58 : 2,977.28 = 1,858.07 : x
  2. Step 2: Convert to fraction form
    1,996.58/2,977.28 = 1,858.07/x
  3. Step 3: Cross multiply
    1,996.58x = 2,977.28 × 1,858.07
  4. Step 4: Simplify right side
    1,996.58x = 5,531,994.65
  5. Step 5: Solve for x
    x = 5,531,994.65/1,996.58
  6. Step 6: Final answer
    x = 2,770.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.