Home / 3,488.55-5,228.39-1,635.59

Finding the Fourth Proportional to 3,488.55, 5,228.39 and 1,635.59

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Solution

The fourth proportional to 3,488.55, 5,228.39 and 1,635.59 is: 2,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.55 : 5,228.39 = 1,635.59 : x
  2. Step 2: Convert to fraction form
    3,488.55/5,228.39 = 1,635.59/x
  3. Step 3: Cross multiply
    3,488.55x = 5,228.39 × 1,635.59
  4. Step 4: Simplify right side
    3,488.55x = 8,551,468.08
  5. Step 5: Solve for x
    x = 8,551,468.08/3,488.55
  6. Step 6: Final answer
    x = 2,451.30

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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.