Home / 2,446.20-3,661.20-1,895.40

Finding the Fourth Proportional to 2,446.20, 3,661.20 and 1,895.40

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Solution

The fourth proportional to 2,446.20, 3,661.20 and 1,895.40 is: 2,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.20 : 3,661.20 = 1,895.40 : x
  2. Step 2: Convert to fraction form
    2,446.20/3,661.20 = 1,895.40/x
  3. Step 3: Cross multiply
    2,446.20x = 3,661.20 × 1,895.40
  4. Step 4: Simplify right side
    2,446.20x = 6,939,438.48
  5. Step 5: Solve for x
    x = 6,939,438.48/2,446.20
  6. Step 6: Final answer
    x = 2,836.82

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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.