Home / 1,975.16-2,725.72-1,090.94

Finding the Fourth Proportional to 1,975.16, 2,725.72 and 1,090.94

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Solution

The fourth proportional to 1,975.16, 2,725.72 and 1,090.94 is: 1,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.16 : 2,725.72 = 1,090.94 : x
  2. Step 2: Convert to fraction form
    1,975.16/2,725.72 = 1,090.94/x
  3. Step 3: Cross multiply
    1,975.16x = 2,725.72 × 1,090.94
  4. Step 4: Simplify right side
    1,975.16x = 2,973,596.98
  5. Step 5: Solve for x
    x = 2,973,596.98/1,975.16
  6. Step 6: Final answer
    x = 1,505.50

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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.