Home / 3,570.55-5,356.46-1,230.80

Finding the Fourth Proportional to 3,570.55, 5,356.46 and 1,230.80

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Solution

The fourth proportional to 3,570.55, 5,356.46 and 1,230.80 is: 1,846.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.55 : 5,356.46 = 1,230.80 : x
  2. Step 2: Convert to fraction form
    3,570.55/5,356.46 = 1,230.80/x
  3. Step 3: Cross multiply
    3,570.55x = 5,356.46 × 1,230.80
  4. Step 4: Simplify right side
    3,570.55x = 6,592,738.21
  5. Step 5: Solve for x
    x = 6,592,738.21/3,570.55
  6. Step 6: Final answer
    x = 1,846.42

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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.