Home / 2,135.22-2,946.48-1,190.94

Finding the Fourth Proportional to 2,135.22, 2,946.48 and 1,190.94

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Solution

The fourth proportional to 2,135.22, 2,946.48 and 1,190.94 is: 1,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.22 : 2,946.48 = 1,190.94 : x
  2. Step 2: Convert to fraction form
    2,135.22/2,946.48 = 1,190.94/x
  3. Step 3: Cross multiply
    2,135.22x = 2,946.48 × 1,190.94
  4. Step 4: Simplify right side
    2,135.22x = 3,509,080.89
  5. Step 5: Solve for x
    x = 3,509,080.89/2,135.22
  6. Step 6: Final answer
    x = 1,643.43

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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.