Home / 1,035.39-1,552.28-419.25

Finding the Fourth Proportional to 1,035.39, 1,552.28 and 419.25

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Solution

The fourth proportional to 1,035.39, 1,552.28 and 419.25 is: 628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.39 : 1,552.28 = 419.25 : x
  2. Step 2: Convert to fraction form
    1,035.39/1,552.28 = 419.25/x
  3. Step 3: Cross multiply
    1,035.39x = 1,552.28 × 419.25
  4. Step 4: Simplify right side
    1,035.39x = 650,791.29
  5. Step 5: Solve for x
    x = 650,791.29/1,035.39
  6. Step 6: Final answer
    x = 628.55

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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.