Home / 2,471.36-3,413.81-1,977.53

Finding the Fourth Proportional to 2,471.36, 3,413.81 and 1,977.53

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Solution

The fourth proportional to 2,471.36, 3,413.81 and 1,977.53 is: 2,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.36 : 3,413.81 = 1,977.53 : x
  2. Step 2: Convert to fraction form
    2,471.36/3,413.81 = 1,977.53/x
  3. Step 3: Cross multiply
    2,471.36x = 3,413.81 × 1,977.53
  4. Step 4: Simplify right side
    2,471.36x = 6,750,901.80
  5. Step 5: Solve for x
    x = 6,750,901.80/2,471.36
  6. Step 6: Final answer
    x = 2,731.65

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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.