Home / 2,213.61-3,048.48-2,206.94

Finding the Fourth Proportional to 2,213.61, 3,048.48 and 2,206.94

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Solution

The fourth proportional to 2,213.61, 3,048.48 and 2,206.94 is: 3,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.61 : 3,048.48 = 2,206.94 : x
  2. Step 2: Convert to fraction form
    2,213.61/3,048.48 = 2,206.94/x
  3. Step 3: Cross multiply
    2,213.61x = 3,048.48 × 2,206.94
  4. Step 4: Simplify right side
    2,213.61x = 6,727,797.21
  5. Step 5: Solve for x
    x = 6,727,797.21/2,213.61
  6. Step 6: Final answer
    x = 3,039.29

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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.