Home / 2,767.39-3,818.70-1,648.37

Finding the Fourth Proportional to 2,767.39, 3,818.70 and 1,648.37

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Solution

The fourth proportional to 2,767.39, 3,818.70 and 1,648.37 is: 2,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.39 : 3,818.70 = 1,648.37 : x
  2. Step 2: Convert to fraction form
    2,767.39/3,818.70 = 1,648.37/x
  3. Step 3: Cross multiply
    2,767.39x = 3,818.70 × 1,648.37
  4. Step 4: Simplify right side
    2,767.39x = 6,294,640.07
  5. Step 5: Solve for x
    x = 6,294,640.07/2,767.39
  6. Step 6: Final answer
    x = 2,274.58

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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.