Home / 3,485.30-5,229.74-2,316.11

Finding the Fourth Proportional to 3,485.30, 5,229.74 and 2,316.11

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Solution

The fourth proportional to 3,485.30, 5,229.74 and 2,316.11 is: 3,475.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.30 : 5,229.74 = 2,316.11 : x
  2. Step 2: Convert to fraction form
    3,485.30/5,229.74 = 2,316.11/x
  3. Step 3: Cross multiply
    3,485.30x = 5,229.74 × 2,316.11
  4. Step 4: Simplify right side
    3,485.30x = 12,112,626.24
  5. Step 5: Solve for x
    x = 12,112,626.24/3,485.30
  6. Step 6: Final answer
    x = 3,475.35

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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.