Home / 1,868.56-2,579.07-1,448.08

Finding the Fourth Proportional to 1,868.56, 2,579.07 and 1,448.08

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Solution

The fourth proportional to 1,868.56, 2,579.07 and 1,448.08 is: 1,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.56 : 2,579.07 = 1,448.08 : x
  2. Step 2: Convert to fraction form
    1,868.56/2,579.07 = 1,448.08/x
  3. Step 3: Cross multiply
    1,868.56x = 2,579.07 × 1,448.08
  4. Step 4: Simplify right side
    1,868.56x = 3,734,699.69
  5. Step 5: Solve for x
    x = 3,734,699.69/1,868.56
  6. Step 6: Final answer
    x = 1,998.70

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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.