Home / 1,722.03-2,375.08-1,161.61

Finding the Fourth Proportional to 1,722.03, 2,375.08 and 1,161.61

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Solution

The fourth proportional to 1,722.03, 2,375.08 and 1,161.61 is: 1,602.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.03 : 2,375.08 = 1,161.61 : x
  2. Step 2: Convert to fraction form
    1,722.03/2,375.08 = 1,161.61/x
  3. Step 3: Cross multiply
    1,722.03x = 2,375.08 × 1,161.61
  4. Step 4: Simplify right side
    1,722.03x = 2,758,907.84
  5. Step 5: Solve for x
    x = 2,758,907.84/1,722.03
  6. Step 6: Final answer
    x = 1,602.13

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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.