Home / 2,942.40-4,413.75-1,298.96

Finding the Fourth Proportional to 2,942.40, 4,413.75 and 1,298.96

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Solution

The fourth proportional to 2,942.40, 4,413.75 and 1,298.96 is: 1,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.40 : 4,413.75 = 1,298.96 : x
  2. Step 2: Convert to fraction form
    2,942.40/4,413.75 = 1,298.96/x
  3. Step 3: Cross multiply
    2,942.40x = 4,413.75 × 1,298.96
  4. Step 4: Simplify right side
    2,942.40x = 5,733,284.70
  5. Step 5: Solve for x
    x = 5,733,284.70/2,942.40
  6. Step 6: Final answer
    x = 1,948.51

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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.