Home / 1,770.21-2,442.94-1,024.40

Finding the Fourth Proportional to 1,770.21, 2,442.94 and 1,024.40

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Solution

The fourth proportional to 1,770.21, 2,442.94 and 1,024.40 is: 1,413.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770.21 : 2,442.94 = 1,024.40 : x
  2. Step 2: Convert to fraction form
    1,770.21/2,442.94 = 1,024.40/x
  3. Step 3: Cross multiply
    1,770.21x = 2,442.94 × 1,024.40
  4. Step 4: Simplify right side
    1,770.21x = 2,502,556.40
  5. Step 5: Solve for x
    x = 2,502,556.40/1,770.21
  6. Step 6: Final answer
    x = 1,413.71

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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.