Home / 3,478.08-5,216.64-3,274.88

Finding the Fourth Proportional to 3,478.08, 5,216.64 and 3,274.88

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Solution

The fourth proportional to 3,478.08, 5,216.64 and 3,274.88 is: 4,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.08 : 5,216.64 = 3,274.88 : x
  2. Step 2: Convert to fraction form
    3,478.08/5,216.64 = 3,274.88/x
  3. Step 3: Cross multiply
    3,478.08x = 5,216.64 × 3,274.88
  4. Step 4: Simplify right side
    3,478.08x = 17,083,870.00
  5. Step 5: Solve for x
    x = 17,083,870.00/3,478.08
  6. Step 6: Final answer
    x = 4,911.87

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1.5x scale

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.