Home / 3,286.55-4,927.05-1,436.25

Finding the Fourth Proportional to 3,286.55, 4,927.05 and 1,436.25

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Solution

The fourth proportional to 3,286.55, 4,927.05 and 1,436.25 is: 2,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.55 : 4,927.05 = 1,436.25 : x
  2. Step 2: Convert to fraction form
    3,286.55/4,927.05 = 1,436.25/x
  3. Step 3: Cross multiply
    3,286.55x = 4,927.05 × 1,436.25
  4. Step 4: Simplify right side
    3,286.55x = 7,076,475.56
  5. Step 5: Solve for x
    x = 7,076,475.56/3,286.55
  6. Step 6: Final answer
    x = 2,153.17

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1.5x scale

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.