Home / 3,485.30-5,228.70-1,019.93

Finding the Fourth Proportional to 3,485.30, 5,228.70 and 1,019.93

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Solution

The fourth proportional to 3,485.30, 5,228.70 and 1,019.93 is: 1,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.30 : 5,228.70 = 1,019.93 : x
  2. Step 2: Convert to fraction form
    3,485.30/5,228.70 = 1,019.93/x
  3. Step 3: Cross multiply
    3,485.30x = 5,228.70 × 1,019.93
  4. Step 4: Simplify right side
    3,485.30x = 5,332,907.99
  5. Step 5: Solve for x
    x = 5,332,907.99/3,485.30
  6. Step 6: Final answer
    x = 1,530.11

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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.