Home / 3,477.60-5,208.30-2,651.40

Finding the Fourth Proportional to 3,477.60, 5,208.30 and 2,651.40

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Solution

The fourth proportional to 3,477.60, 5,208.30 and 2,651.40 is: 3,970.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.60 : 5,208.30 = 2,651.40 : x
  2. Step 2: Convert to fraction form
    3,477.60/5,208.30 = 2,651.40/x
  3. Step 3: Cross multiply
    3,477.60x = 5,208.30 × 2,651.40
  4. Step 4: Simplify right side
    3,477.60x = 13,809,286.62
  5. Step 5: Solve for x
    x = 13,809,286.62/3,477.60
  6. Step 6: Final answer
    x = 3,970.92

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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.