Home / 3,655.39-5,485.19-3,625.67

Finding the Fourth Proportional to 3,655.39, 5,485.19 and 3,625.67

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Solution

The fourth proportional to 3,655.39, 5,485.19 and 3,625.67 is: 5,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.39 : 5,485.19 = 3,625.67 : x
  2. Step 2: Convert to fraction form
    3,655.39/5,485.19 = 3,625.67/x
  3. Step 3: Cross multiply
    3,655.39x = 5,485.19 × 3,625.67
  4. Step 4: Simplify right side
    3,655.39x = 19,887,443.27
  5. Step 5: Solve for x
    x = 19,887,443.27/3,655.39
  6. Step 6: Final answer
    x = 5,440.58

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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.