Home / 3,572.55-4,930.19-2,080.53

Finding the Fourth Proportional to 3,572.55, 4,930.19 and 2,080.53

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Solution

The fourth proportional to 3,572.55, 4,930.19 and 2,080.53 is: 2,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.55 : 4,930.19 = 2,080.53 : x
  2. Step 2: Convert to fraction form
    3,572.55/4,930.19 = 2,080.53/x
  3. Step 3: Cross multiply
    3,572.55x = 4,930.19 × 2,080.53
  4. Step 4: Simplify right side
    3,572.55x = 10,257,413.40
  5. Step 5: Solve for x
    x = 10,257,413.40/3,572.55
  6. Step 6: Final answer
    x = 2,871.17

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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.