Home / 3,246.96-4,871.64-1,299.32

Finding the Fourth Proportional to 3,246.96, 4,871.64 and 1,299.32

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Solution

The fourth proportional to 3,246.96, 4,871.64 and 1,299.32 is: 1,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.96 : 4,871.64 = 1,299.32 : x
  2. Step 2: Convert to fraction form
    3,246.96/4,871.64 = 1,299.32/x
  3. Step 3: Cross multiply
    3,246.96x = 4,871.64 × 1,299.32
  4. Step 4: Simplify right side
    3,246.96x = 6,329,819.28
  5. Step 5: Solve for x
    x = 6,329,819.28/3,246.96
  6. Step 6: Final answer
    x = 1,949.46

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1.5x scale

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.