Home / 3,075.05-4,611.75-883.86

Finding the Fourth Proportional to 3,075.05, 4,611.75 and 883.86

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Solution

The fourth proportional to 3,075.05, 4,611.75 and 883.86 is: 1,325.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.05 : 4,611.75 = 883.86 : x
  2. Step 2: Convert to fraction form
    3,075.05/4,611.75 = 883.86/x
  3. Step 3: Cross multiply
    3,075.05x = 4,611.75 × 883.86
  4. Step 4: Simplify right side
    3,075.05x = 4,076,141.36
  5. Step 5: Solve for x
    x = 4,076,141.36/3,075.05
  6. Step 6: Final answer
    x = 1,325.56

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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.