Home / 3,370.42-4,652.40-2,308.78

Finding the Fourth Proportional to 3,370.42, 4,652.40 and 2,308.78

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Solution

The fourth proportional to 3,370.42, 4,652.40 and 2,308.78 is: 3,186.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.42 : 4,652.40 = 2,308.78 : x
  2. Step 2: Convert to fraction form
    3,370.42/4,652.40 = 2,308.78/x
  3. Step 3: Cross multiply
    3,370.42x = 4,652.40 × 2,308.78
  4. Step 4: Simplify right side
    3,370.42x = 10,741,368.07
  5. Step 5: Solve for x
    x = 10,741,368.07/3,370.42
  6. Step 6: Final answer
    x = 3,186.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.