Home / 3,417.36-5,126.76-1,662.72

Finding the Fourth Proportional to 3,417.36, 5,126.76 and 1,662.72

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Solution

The fourth proportional to 3,417.36, 5,126.76 and 1,662.72 is: 2,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.36 : 5,126.76 = 1,662.72 : x
  2. Step 2: Convert to fraction form
    3,417.36/5,126.76 = 1,662.72/x
  3. Step 3: Cross multiply
    3,417.36x = 5,126.76 × 1,662.72
  4. Step 4: Simplify right side
    3,417.36x = 8,524,366.39
  5. Step 5: Solve for x
    x = 8,524,366.39/3,417.36
  6. Step 6: Final answer
    x = 2,494.43

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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.