Home / 2,413.04-3,620.64-1,387.04

Finding the Fourth Proportional to 2,413.04, 3,620.64 and 1,387.04

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Solution

The fourth proportional to 2,413.04, 3,620.64 and 1,387.04 is: 2,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.04 : 3,620.64 = 1,387.04 : x
  2. Step 2: Convert to fraction form
    2,413.04/3,620.64 = 1,387.04/x
  3. Step 3: Cross multiply
    2,413.04x = 3,620.64 × 1,387.04
  4. Step 4: Simplify right side
    2,413.04x = 5,021,972.51
  5. Step 5: Solve for x
    x = 5,021,972.51/2,413.04
  6. Step 6: Final answer
    x = 2,081.18

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1.5x scale

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.