Home / 3,485.02-5,229.32-2,315.82

Finding the Fourth Proportional to 3,485.02, 5,229.32 and 2,315.82

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Solution

The fourth proportional to 3,485.02, 5,229.32 and 2,315.82 is: 3,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.02 : 5,229.32 = 2,315.82 : x
  2. Step 2: Convert to fraction form
    3,485.02/5,229.32 = 2,315.82/x
  3. Step 3: Cross multiply
    3,485.02x = 5,229.32 × 2,315.82
  4. Step 4: Simplify right side
    3,485.02x = 12,110,178.39
  5. Step 5: Solve for x
    x = 12,110,178.39/3,485.02
  6. Step 6: Final answer
    x = 3,474.93

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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.