Home / 2,890.46-4,335.23-942.66

Finding the Fourth Proportional to 2,890.46, 4,335.23 and 942.66

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Solution

The fourth proportional to 2,890.46, 4,335.23 and 942.66 is: 1,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.46 : 4,335.23 = 942.66 : x
  2. Step 2: Convert to fraction form
    2,890.46/4,335.23 = 942.66/x
  3. Step 3: Cross multiply
    2,890.46x = 4,335.23 × 942.66
  4. Step 4: Simplify right side
    2,890.46x = 4,086,647.91
  5. Step 5: Solve for x
    x = 4,086,647.91/2,890.46
  6. Step 6: Final answer
    x = 1,413.84

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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.