Home / 3,635.40-5,017.68-2,308.08

Finding the Fourth Proportional to 3,635.40, 5,017.68 and 2,308.08

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Solution

The fourth proportional to 3,635.40, 5,017.68 and 2,308.08 is: 3,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.40 : 5,017.68 = 2,308.08 : x
  2. Step 2: Convert to fraction form
    3,635.40/5,017.68 = 2,308.08/x
  3. Step 3: Cross multiply
    3,635.40x = 5,017.68 × 2,308.08
  4. Step 4: Simplify right side
    3,635.40x = 11,581,206.85
  5. Step 5: Solve for x
    x = 11,581,206.85/3,635.40
  6. Step 6: Final answer
    x = 3,185.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.