Home / 3,983.40-5,497.25-2,214.99

Finding the Fourth Proportional to 3,983.40, 5,497.25 and 2,214.99

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Solution

The fourth proportional to 3,983.40, 5,497.25 and 2,214.99 is: 3,056.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.40 : 5,497.25 = 2,214.99 : x
  2. Step 2: Convert to fraction form
    3,983.40/5,497.25 = 2,214.99/x
  3. Step 3: Cross multiply
    3,983.40x = 5,497.25 × 2,214.99
  4. Step 4: Simplify right side
    3,983.40x = 12,176,342.70
  5. Step 5: Solve for x
    x = 12,176,342.70/3,983.40
  6. Step 6: Final answer
    x = 3,056.77

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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.