Home / 1,218.02-1,679.97-1,050.28

Finding the Fourth Proportional to 1,218.02, 1,679.97 and 1,050.28

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Solution

The fourth proportional to 1,218.02, 1,679.97 and 1,050.28 is: 1,448.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.02 : 1,679.97 = 1,050.28 : x
  2. Step 2: Convert to fraction form
    1,218.02/1,679.97 = 1,050.28/x
  3. Step 3: Cross multiply
    1,218.02x = 1,679.97 × 1,050.28
  4. Step 4: Simplify right side
    1,218.02x = 1,764,438.89
  5. Step 5: Solve for x
    x = 1,764,438.89/1,218.02
  6. Step 6: Final answer
    x = 1,448.61

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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.