Home / 3,485.13-5,229.48-2,315.94

Finding the Fourth Proportional to 3,485.13, 5,229.48 and 2,315.94

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Solution

The fourth proportional to 3,485.13, 5,229.48 and 2,315.94 is: 3,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.13 : 5,229.48 = 2,315.94 : x
  2. Step 2: Convert to fraction form
    3,485.13/5,229.48 = 2,315.94/x
  3. Step 3: Cross multiply
    3,485.13x = 5,229.48 × 2,315.94
  4. Step 4: Simplify right side
    3,485.13x = 12,111,135.76
  5. Step 5: Solve for x
    x = 12,111,135.76/3,485.13
  6. Step 6: Final answer
    x = 3,475.09

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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.