Home / 1,722.23-2,376.68-936.29

Finding the Fourth Proportional to 1,722.23, 2,376.68 and 936.29

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Solution

The fourth proportional to 1,722.23, 2,376.68 and 936.29 is: 1,292.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.23 : 2,376.68 = 936.29 : x
  2. Step 2: Convert to fraction form
    1,722.23/2,376.68 = 936.29/x
  3. Step 3: Cross multiply
    1,722.23x = 2,376.68 × 936.29
  4. Step 4: Simplify right side
    1,722.23x = 2,225,261.72
  5. Step 5: Solve for x
    x = 2,225,261.72/1,722.23
  6. Step 6: Final answer
    x = 1,292.08

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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.