Home / 3,413.77-4,705.47-2,666.43

Finding the Fourth Proportional to 3,413.77, 4,705.47 and 2,666.43

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Solution

The fourth proportional to 3,413.77, 4,705.47 and 2,666.43 is: 3,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.77 : 4,705.47 = 2,666.43 : x
  2. Step 2: Convert to fraction form
    3,413.77/4,705.47 = 2,666.43/x
  3. Step 3: Cross multiply
    3,413.77x = 4,705.47 × 2,666.43
  4. Step 4: Simplify right side
    3,413.77x = 12,546,805.49
  5. Step 5: Solve for x
    x = 12,546,805.49/3,413.77
  6. Step 6: Final answer
    x = 3,675.35

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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.