Home / 2,966.68-4,093.82-1,640.28

Finding the Fourth Proportional to 2,966.68, 4,093.82 and 1,640.28

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Solution

The fourth proportional to 2,966.68, 4,093.82 and 1,640.28 is: 2,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.68 : 4,093.82 = 1,640.28 : x
  2. Step 2: Convert to fraction form
    2,966.68/4,093.82 = 1,640.28/x
  3. Step 3: Cross multiply
    2,966.68x = 4,093.82 × 1,640.28
  4. Step 4: Simplify right side
    2,966.68x = 6,715,024.37
  5. Step 5: Solve for x
    x = 6,715,024.37/2,966.68
  6. Step 6: Final answer
    x = 2,263.48

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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.