Home / 1,955.10-2,696.66-1,168.50

Finding the Fourth Proportional to 1,955.10, 2,696.66 and 1,168.50

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Solution

The fourth proportional to 1,955.10, 2,696.66 and 1,168.50 is: 1,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,955.10 : 2,696.66 = 1,168.50 : x
  2. Step 2: Convert to fraction form
    1,955.10/2,696.66 = 1,168.50/x
  3. Step 3: Cross multiply
    1,955.10x = 2,696.66 × 1,168.50
  4. Step 4: Simplify right side
    1,955.10x = 3,151,047.21
  5. Step 5: Solve for x
    x = 3,151,047.21/1,955.10
  6. Step 6: Final answer
    x = 1,611.71

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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.