Home / 3,485.15-5,228.19-1,019.95

Finding the Fourth Proportional to 3,485.15, 5,228.19 and 1,019.95

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Solution

The fourth proportional to 3,485.15, 5,228.19 and 1,019.95 is: 1,530.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.15 : 5,228.19 = 1,019.95 : x
  2. Step 2: Convert to fraction form
    3,485.15/5,228.19 = 1,019.95/x
  3. Step 3: Cross multiply
    3,485.15x = 5,228.19 × 1,019.95
  4. Step 4: Simplify right side
    3,485.15x = 5,332,492.39
  5. Step 5: Solve for x
    x = 5,332,492.39/3,485.15
  6. Step 6: Final answer
    x = 1,530.06

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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.