Home / 1,413.80-2,110.45-1,241

Finding the Fourth Proportional to 1,413.80, 2,110.45 and 1,241

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Solution

The fourth proportional to 1,413.80, 2,110.45 and 1,241 is: 1,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.80 : 2,110.45 = 1,241 : x
  2. Step 2: Convert to fraction form
    1,413.80/2,110.45 = 1,241/x
  3. Step 3: Cross multiply
    1,413.80x = 2,110.45 × 1,241
  4. Step 4: Simplify right side
    1,413.80x = 2,619,068.45
  5. Step 5: Solve for x
    x = 2,619,068.45/1,413.80
  6. Step 6: Final answer
    x = 1,852.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.