Home / 1,899.06-2,858.70-1,355.01

Finding the Fourth Proportional to 1,899.06, 2,858.70 and 1,355.01

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Solution

The fourth proportional to 1,899.06, 2,858.70 and 1,355.01 is: 2,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.06 : 2,858.70 = 1,355.01 : x
  2. Step 2: Convert to fraction form
    1,899.06/2,858.70 = 1,355.01/x
  3. Step 3: Cross multiply
    1,899.06x = 2,858.70 × 1,355.01
  4. Step 4: Simplify right side
    1,899.06x = 3,873,567.09
  5. Step 5: Solve for x
    x = 3,873,567.09/1,899.06
  6. Step 6: Final answer
    x = 2,039.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.