Home / 2,254.56-3,356.40-2,223.78

Finding the Fourth Proportional to 2,254.56, 3,356.40 and 2,223.78

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Solution

The fourth proportional to 2,254.56, 3,356.40 and 2,223.78 is: 3,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.56 : 3,356.40 = 2,223.78 : x
  2. Step 2: Convert to fraction form
    2,254.56/3,356.40 = 2,223.78/x
  3. Step 3: Cross multiply
    2,254.56x = 3,356.40 × 2,223.78
  4. Step 4: Simplify right side
    2,254.56x = 7,463,895.19
  5. Step 5: Solve for x
    x = 7,463,895.19/2,254.56
  6. Step 6: Final answer
    x = 3,310.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.