Home / 2,966.28-4,448.70-2,137.80

Finding the Fourth Proportional to 2,966.28, 4,448.70 and 2,137.80

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Solution

The fourth proportional to 2,966.28, 4,448.70 and 2,137.80 is: 3,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.28 : 4,448.70 = 2,137.80 : x
  2. Step 2: Convert to fraction form
    2,966.28/4,448.70 = 2,137.80/x
  3. Step 3: Cross multiply
    2,966.28x = 4,448.70 × 2,137.80
  4. Step 4: Simplify right side
    2,966.28x = 9,510,430.86
  5. Step 5: Solve for x
    x = 9,510,430.86/2,966.28
  6. Step 6: Final answer
    x = 3,206.18

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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.