Home / 3,382.61-4,665.36-2,171.41

Finding the Fourth Proportional to 3,382.61, 4,665.36 and 2,171.41

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Solution

The fourth proportional to 3,382.61, 4,665.36 and 2,171.41 is: 2,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.61 : 4,665.36 = 2,171.41 : x
  2. Step 2: Convert to fraction form
    3,382.61/4,665.36 = 2,171.41/x
  3. Step 3: Cross multiply
    3,382.61x = 4,665.36 × 2,171.41
  4. Step 4: Simplify right side
    3,382.61x = 10,130,409.36
  5. Step 5: Solve for x
    x = 10,130,409.36/3,382.61
  6. Step 6: Final answer
    x = 2,994.85

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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.