Home / 1,050.35-1,449.39-608.28

Finding the Fourth Proportional to 1,050.35, 1,449.39 and 608.28

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Solution

The fourth proportional to 1,050.35, 1,449.39 and 608.28 is: 839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.35 : 1,449.39 = 608.28 : x
  2. Step 2: Convert to fraction form
    1,050.35/1,449.39 = 608.28/x
  3. Step 3: Cross multiply
    1,050.35x = 1,449.39 × 608.28
  4. Step 4: Simplify right side
    1,050.35x = 881,634.95
  5. Step 5: Solve for x
    x = 881,634.95/1,050.35
  6. Step 6: Final answer
    x = 839.38

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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.