Home / 2,126.69-2,936.27-1,567.79

Finding the Fourth Proportional to 2,126.69, 2,936.27 and 1,567.79

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Solution

The fourth proportional to 2,126.69, 2,936.27 and 1,567.79 is: 2,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.69 : 2,936.27 = 1,567.79 : x
  2. Step 2: Convert to fraction form
    2,126.69/2,936.27 = 1,567.79/x
  3. Step 3: Cross multiply
    2,126.69x = 2,936.27 × 1,567.79
  4. Step 4: Simplify right side
    2,126.69x = 4,603,454.74
  5. Step 5: Solve for x
    x = 4,603,454.74/2,126.69
  6. Step 6: Final answer
    x = 2,164.61

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1.5x scale

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.