Home / 1,954.92-2,698.34-1,126.76

Finding the Fourth Proportional to 1,954.92, 2,698.34 and 1,126.76

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Solution

The fourth proportional to 1,954.92, 2,698.34 and 1,126.76 is: 1,555.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.92 : 2,698.34 = 1,126.76 : x
  2. Step 2: Convert to fraction form
    1,954.92/2,698.34 = 1,126.76/x
  3. Step 3: Cross multiply
    1,954.92x = 2,698.34 × 1,126.76
  4. Step 4: Simplify right side
    1,954.92x = 3,040,381.58
  5. Step 5: Solve for x
    x = 3,040,381.58/1,954.92
  6. Step 6: Final answer
    x = 1,555.25

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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.