Home / 3,485.64-5,230.32-1,539.24

Finding the Fourth Proportional to 3,485.64, 5,230.32 and 1,539.24

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Solution

The fourth proportional to 3,485.64, 5,230.32 and 1,539.24 is: 2,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.64 : 5,230.32 = 1,539.24 : x
  2. Step 2: Convert to fraction form
    3,485.64/5,230.32 = 1,539.24/x
  3. Step 3: Cross multiply
    3,485.64x = 5,230.32 × 1,539.24
  4. Step 4: Simplify right side
    3,485.64x = 8,050,717.76
  5. Step 5: Solve for x
    x = 8,050,717.76/3,485.64
  6. Step 6: Final answer
    x = 2,309.68

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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.