Home / 2,906.82-4,011.93-1,648.26

Finding the Fourth Proportional to 2,906.82, 4,011.93 and 1,648.26

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Solution

The fourth proportional to 2,906.82, 4,011.93 and 1,648.26 is: 2,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.82 : 4,011.93 = 1,648.26 : x
  2. Step 2: Convert to fraction form
    2,906.82/4,011.93 = 1,648.26/x
  3. Step 3: Cross multiply
    2,906.82x = 4,011.93 × 1,648.26
  4. Step 4: Simplify right side
    2,906.82x = 6,612,703.74
  5. Step 5: Solve for x
    x = 6,612,703.74/2,906.82
  6. Step 6: Final answer
    x = 2,274.89

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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.