Home / 2,207.99-3,047.02-1,213.25

Finding the Fourth Proportional to 2,207.99, 3,047.02 and 1,213.25

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Solution

The fourth proportional to 2,207.99, 3,047.02 and 1,213.25 is: 1,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.99 : 3,047.02 = 1,213.25 : x
  2. Step 2: Convert to fraction form
    2,207.99/3,047.02 = 1,213.25/x
  3. Step 3: Cross multiply
    2,207.99x = 3,047.02 × 1,213.25
  4. Step 4: Simplify right side
    2,207.99x = 3,696,797.02
  5. Step 5: Solve for x
    x = 3,696,797.02/2,207.99
  6. Step 6: Final answer
    x = 1,674.28

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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.