Home / 2,646.41-3,958.65-2,405.84

Finding the Fourth Proportional to 2,646.41, 3,958.65 and 2,405.84

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Solution

The fourth proportional to 2,646.41, 3,958.65 and 2,405.84 is: 3,598.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646.41 : 3,958.65 = 2,405.84 : x
  2. Step 2: Convert to fraction form
    2,646.41/3,958.65 = 2,405.84/x
  3. Step 3: Cross multiply
    2,646.41x = 3,958.65 × 2,405.84
  4. Step 4: Simplify right side
    2,646.41x = 9,523,858.72
  5. Step 5: Solve for x
    x = 9,523,858.72/2,646.41
  6. Step 6: Final answer
    x = 3,598.79

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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.