Home / 1,697.22-2,341.44-1,172.34

Finding the Fourth Proportional to 1,697.22, 2,341.44 and 1,172.34

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Solution

The fourth proportional to 1,697.22, 2,341.44 and 1,172.34 is: 1,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697.22 : 2,341.44 = 1,172.34 : x
  2. Step 2: Convert to fraction form
    1,697.22/2,341.44 = 1,172.34/x
  3. Step 3: Cross multiply
    1,697.22x = 2,341.44 × 1,172.34
  4. Step 4: Simplify right side
    1,697.22x = 2,744,963.77
  5. Step 5: Solve for x
    x = 2,744,963.77/1,697.22
  6. Step 6: Final answer
    x = 1,617.33

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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.