Home / 2,134.26-2,943.81-1,667.70

Finding the Fourth Proportional to 2,134.26, 2,943.81 and 1,667.70

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Solution

The fourth proportional to 2,134.26, 2,943.81 and 1,667.70 is: 2,300.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.26 : 2,943.81 = 1,667.70 : x
  2. Step 2: Convert to fraction form
    2,134.26/2,943.81 = 1,667.70/x
  3. Step 3: Cross multiply
    2,134.26x = 2,943.81 × 1,667.70
  4. Step 4: Simplify right side
    2,134.26x = 4,909,391.94
  5. Step 5: Solve for x
    x = 4,909,391.94/2,134.26
  6. Step 6: Final answer
    x = 2,300.28

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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.