Home / 1,722.36-2,377.26-1,100.28

Finding the Fourth Proportional to 1,722.36, 2,377.26 and 1,100.28

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Solution

The fourth proportional to 1,722.36, 2,377.26 and 1,100.28 is: 1,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.36 : 2,377.26 = 1,100.28 : x
  2. Step 2: Convert to fraction form
    1,722.36/2,377.26 = 1,100.28/x
  3. Step 3: Cross multiply
    1,722.36x = 2,377.26 × 1,100.28
  4. Step 4: Simplify right side
    1,722.36x = 2,615,651.63
  5. Step 5: Solve for x
    x = 2,615,651.63/1,722.36
  6. Step 6: Final answer
    x = 1,518.64

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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.