Home / 3,075.10-4,611.90-883.60

Finding the Fourth Proportional to 3,075.10, 4,611.90 and 883.60

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Solution

The fourth proportional to 3,075.10, 4,611.90 and 883.60 is: 1,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.10 : 4,611.90 = 883.60 : x
  2. Step 2: Convert to fraction form
    3,075.10/4,611.90 = 883.60/x
  3. Step 3: Cross multiply
    3,075.10x = 4,611.90 × 883.60
  4. Step 4: Simplify right side
    3,075.10x = 4,075,074.84
  5. Step 5: Solve for x
    x = 4,075,074.84/3,075.10
  6. Step 6: Final answer
    x = 1,325.18

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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.