Home / 3,366.60-4,646.48-2,171.25

Finding the Fourth Proportional to 3,366.60, 4,646.48 and 2,171.25

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Solution

The fourth proportional to 3,366.60, 4,646.48 and 2,171.25 is: 2,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.60 : 4,646.48 = 2,171.25 : x
  2. Step 2: Convert to fraction form
    3,366.60/4,646.48 = 2,171.25/x
  3. Step 3: Cross multiply
    3,366.60x = 4,646.48 × 2,171.25
  4. Step 4: Simplify right side
    3,366.60x = 10,088,658.84
  5. Step 5: Solve for x
    x = 10,088,658.84/3,366.60
  6. Step 6: Final answer
    x = 2,996.69

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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.