Home / 3,296.32-4,946.40-2,651.20

Finding the Fourth Proportional to 3,296.32, 4,946.40 and 2,651.20

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Solution

The fourth proportional to 3,296.32, 4,946.40 and 2,651.20 is: 3,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.32 : 4,946.40 = 2,651.20 : x
  2. Step 2: Convert to fraction form
    3,296.32/4,946.40 = 2,651.20/x
  3. Step 3: Cross multiply
    3,296.32x = 4,946.40 × 2,651.20
  4. Step 4: Simplify right side
    3,296.32x = 13,113,895.68
  5. Step 5: Solve for x
    x = 13,113,895.68/3,296.32
  6. Step 6: Final answer
    x = 3,978.34

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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.