Home / 2,790.11-4,185.80-941.18

Finding the Fourth Proportional to 2,790.11, 4,185.80 and 941.18

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Solution

The fourth proportional to 2,790.11, 4,185.80 and 941.18 is: 1,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.11 : 4,185.80 = 941.18 : x
  2. Step 2: Convert to fraction form
    2,790.11/4,185.80 = 941.18/x
  3. Step 3: Cross multiply
    2,790.11x = 4,185.80 × 941.18
  4. Step 4: Simplify right side
    2,790.11x = 3,939,565.61
  5. Step 5: Solve for x
    x = 3,939,565.61/2,790.11
  6. Step 6: Final answer
    x = 1,411.98

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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.