Home / 1,682.12-2,518.56-1,270.01

Finding the Fourth Proportional to 1,682.12, 2,518.56 and 1,270.01

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Solution

The fourth proportional to 1,682.12, 2,518.56 and 1,270.01 is: 1,901.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.12 : 2,518.56 = 1,270.01 : x
  2. Step 2: Convert to fraction form
    1,682.12/2,518.56 = 1,270.01/x
  3. Step 3: Cross multiply
    1,682.12x = 2,518.56 × 1,270.01
  4. Step 4: Simplify right side
    1,682.12x = 3,198,602.68
  5. Step 5: Solve for x
    x = 3,198,602.68/1,682.12
  6. Step 6: Final answer
    x = 1,901.53

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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.