Home / 2,107.44-2,907.66-1,663.92

Finding the Fourth Proportional to 2,107.44, 2,907.66 and 1,663.92

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Solution

The fourth proportional to 2,107.44, 2,907.66 and 1,663.92 is: 2,295.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.44 : 2,907.66 = 1,663.92 : x
  2. Step 2: Convert to fraction form
    2,107.44/2,907.66 = 1,663.92/x
  3. Step 3: Cross multiply
    2,107.44x = 2,907.66 × 1,663.92
  4. Step 4: Simplify right side
    2,107.44x = 4,838,113.63
  5. Step 5: Solve for x
    x = 4,838,113.63/2,107.44
  6. Step 6: Final answer
    x = 2,295.73

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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.