Home / 3,559.80-5,339.70-3,358.20

Finding the Fourth Proportional to 3,559.80, 5,339.70 and 3,358.20

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Solution

The fourth proportional to 3,559.80, 5,339.70 and 3,358.20 is: 5,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.80 : 5,339.70 = 3,358.20 : x
  2. Step 2: Convert to fraction form
    3,559.80/5,339.70 = 3,358.20/x
  3. Step 3: Cross multiply
    3,559.80x = 5,339.70 × 3,358.20
  4. Step 4: Simplify right side
    3,559.80x = 17,931,780.54
  5. Step 5: Solve for x
    x = 17,931,780.54/3,559.80
  6. Step 6: Final answer
    x = 5,037.30

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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.