Home / 3,485.87-5,229.56-1,731.81

Finding the Fourth Proportional to 3,485.87, 5,229.56 and 1,731.81

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Solution

The fourth proportional to 3,485.87, 5,229.56 and 1,731.81 is: 2,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.87 : 5,229.56 = 1,731.81 : x
  2. Step 2: Convert to fraction form
    3,485.87/5,229.56 = 1,731.81/x
  3. Step 3: Cross multiply
    3,485.87x = 5,229.56 × 1,731.81
  4. Step 4: Simplify right side
    3,485.87x = 9,056,628.24
  5. Step 5: Solve for x
    x = 9,056,628.24/3,485.87
  6. Step 6: Final answer
    x = 2,598.10

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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.