Home / 4,271.28-6,406.96-1,349.60

Finding the Fourth Proportional to 4,271.28, 6,406.96 and 1,349.60

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Solution

The fourth proportional to 4,271.28, 6,406.96 and 1,349.60 is: 2,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.28 : 6,406.96 = 1,349.60 : x
  2. Step 2: Convert to fraction form
    4,271.28/6,406.96 = 1,349.60/x
  3. Step 3: Cross multiply
    4,271.28x = 6,406.96 × 1,349.60
  4. Step 4: Simplify right side
    4,271.28x = 8,646,833.22
  5. Step 5: Solve for x
    x = 8,646,833.22/4,271.28
  6. Step 6: Final answer
    x = 2,024.41

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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.