Home / 3,549.80-5,324.70-1,358.60

Finding the Fourth Proportional to 3,549.80, 5,324.70 and 1,358.60

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Solution

The fourth proportional to 3,549.80, 5,324.70 and 1,358.60 is: 2,037.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.80 : 5,324.70 = 1,358.60 : x
  2. Step 2: Convert to fraction form
    3,549.80/5,324.70 = 1,358.60/x
  3. Step 3: Cross multiply
    3,549.80x = 5,324.70 × 1,358.60
  4. Step 4: Simplify right side
    3,549.80x = 7,234,137.42
  5. Step 5: Solve for x
    x = 7,234,137.42/3,549.80
  6. Step 6: Final answer
    x = 2,037.90

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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.