Home / 1,975.10-2,725.61-1,090.85

Finding the Fourth Proportional to 1,975.10, 2,725.61 and 1,090.85

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Solution

The fourth proportional to 1,975.10, 2,725.61 and 1,090.85 is: 1,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.10 : 2,725.61 = 1,090.85 : x
  2. Step 2: Convert to fraction form
    1,975.10/2,725.61 = 1,090.85/x
  3. Step 3: Cross multiply
    1,975.10x = 2,725.61 × 1,090.85
  4. Step 4: Simplify right side
    1,975.10x = 2,973,212.59
  5. Step 5: Solve for x
    x = 2,973,212.59/1,975.10
  6. Step 6: Final answer
    x = 1,505.35

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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.