Home / 2,274.02-3,143.78-2,253.26

Finding the Fourth Proportional to 2,274.02, 3,143.78 and 2,253.26

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Solution

The fourth proportional to 2,274.02, 3,143.78 and 2,253.26 is: 3,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.02 : 3,143.78 = 2,253.26 : x
  2. Step 2: Convert to fraction form
    2,274.02/3,143.78 = 2,253.26/x
  3. Step 3: Cross multiply
    2,274.02x = 3,143.78 × 2,253.26
  4. Step 4: Simplify right side
    2,274.02x = 7,083,738.53
  5. Step 5: Solve for x
    x = 7,083,738.53/2,274.02
  6. Step 6: Final answer
    x = 3,115.08

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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.