Home / 1,722.14-2,376.58-936.22

Finding the Fourth Proportional to 1,722.14, 2,376.58 and 936.22

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Solution

The fourth proportional to 1,722.14, 2,376.58 and 936.22 is: 1,292.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.14 : 2,376.58 = 936.22 : x
  2. Step 2: Convert to fraction form
    1,722.14/2,376.58 = 936.22/x
  3. Step 3: Cross multiply
    1,722.14x = 2,376.58 × 936.22
  4. Step 4: Simplify right side
    1,722.14x = 2,225,001.73
  5. Step 5: Solve for x
    x = 2,225,001.73/1,722.14
  6. Step 6: Final answer
    x = 1,292.00

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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.