Home / 3,247.10-4,867.46-1,271.28

Finding the Fourth Proportional to 3,247.10, 4,867.46 and 1,271.28

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Solution

The fourth proportional to 3,247.10, 4,867.46 and 1,271.28 is: 1,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.10 : 4,867.46 = 1,271.28 : x
  2. Step 2: Convert to fraction form
    3,247.10/4,867.46 = 1,271.28/x
  3. Step 3: Cross multiply
    3,247.10x = 4,867.46 × 1,271.28
  4. Step 4: Simplify right side
    3,247.10x = 6,187,904.55
  5. Step 5: Solve for x
    x = 6,187,904.55/3,247.10
  6. Step 6: Final answer
    x = 1,905.67

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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.