Home / 3,867.10-5,795.10-2,405.40

Finding the Fourth Proportional to 3,867.10, 5,795.10 and 2,405.40

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Solution

The fourth proportional to 3,867.10, 5,795.10 and 2,405.40 is: 3,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.10 : 5,795.10 = 2,405.40 : x
  2. Step 2: Convert to fraction form
    3,867.10/5,795.10 = 2,405.40/x
  3. Step 3: Cross multiply
    3,867.10x = 5,795.10 × 2,405.40
  4. Step 4: Simplify right side
    3,867.10x = 13,939,533.54
  5. Step 5: Solve for x
    x = 13,939,533.54/3,867.10
  6. Step 6: Final answer
    x = 3,604.65

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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.