Home / 3,336.96-4,606.08-2,157.12

Finding the Fourth Proportional to 3,336.96, 4,606.08 and 2,157.12

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Solution

The fourth proportional to 3,336.96, 4,606.08 and 2,157.12 is: 2,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.96 : 4,606.08 = 2,157.12 : x
  2. Step 2: Convert to fraction form
    3,336.96/4,606.08 = 2,157.12/x
  3. Step 3: Cross multiply
    3,336.96x = 4,606.08 × 2,157.12
  4. Step 4: Simplify right side
    3,336.96x = 9,935,867.29
  5. Step 5: Solve for x
    x = 9,935,867.29/3,336.96
  6. Step 6: Final answer
    x = 2,977.52

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1.5x scale

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.