Home / 3,485.54-5,230.34-1,406.46

Finding the Fourth Proportional to 3,485.54, 5,230.34 and 1,406.46

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Solution

The fourth proportional to 3,485.54, 5,230.34 and 1,406.46 is: 2,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.54 : 5,230.34 = 1,406.46 : x
  2. Step 2: Convert to fraction form
    3,485.54/5,230.34 = 1,406.46/x
  3. Step 3: Cross multiply
    3,485.54x = 5,230.34 × 1,406.46
  4. Step 4: Simplify right side
    3,485.54x = 7,356,264.00
  5. Step 5: Solve for x
    x = 7,356,264.00/3,485.54
  6. Step 6: Final answer
    x = 2,110.51

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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.