Home / 2,080.35-3,120.53-1,957.50

Finding the Fourth Proportional to 2,080.35, 3,120.53 and 1,957.50

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Solution

The fourth proportional to 2,080.35, 3,120.53 and 1,957.50 is: 2,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.35 : 3,120.53 = 1,957.50 : x
  2. Step 2: Convert to fraction form
    2,080.35/3,120.53 = 1,957.50/x
  3. Step 3: Cross multiply
    2,080.35x = 3,120.53 × 1,957.50
  4. Step 4: Simplify right side
    2,080.35x = 6,108,427.69
  5. Step 5: Solve for x
    x = 6,108,427.69/2,080.35
  6. Step 6: Final answer
    x = 2,936.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.