Home / 1,413.07-1,950.69-941.80

Finding the Fourth Proportional to 1,413.07, 1,950.69 and 941.80

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Solution

The fourth proportional to 1,413.07, 1,950.69 and 941.80 is: 1,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413.07 : 1,950.69 = 941.80 : x
  2. Step 2: Convert to fraction form
    1,413.07/1,950.69 = 941.80/x
  3. Step 3: Cross multiply
    1,413.07x = 1,950.69 × 941.80
  4. Step 4: Simplify right side
    1,413.07x = 1,837,159.84
  5. Step 5: Solve for x
    x = 1,837,159.84/1,413.07
  6. Step 6: Final answer
    x = 1,300.12

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1.5x scale

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.