Home / 2,868.93-3,959.39-1,749.93

Finding the Fourth Proportional to 2,868.93, 3,959.39 and 1,749.93

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Solution

The fourth proportional to 2,868.93, 3,959.39 and 1,749.93 is: 2,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.93 : 3,959.39 = 1,749.93 : x
  2. Step 2: Convert to fraction form
    2,868.93/3,959.39 = 1,749.93/x
  3. Step 3: Cross multiply
    2,868.93x = 3,959.39 × 1,749.93
  4. Step 4: Simplify right side
    2,868.93x = 6,928,646.59
  5. Step 5: Solve for x
    x = 6,928,646.59/2,868.93
  6. Step 6: Final answer
    x = 2,415.06

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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.