Home / 3,518.15-5,274.59-2,131.17

Finding the Fourth Proportional to 3,518.15, 5,274.59 and 2,131.17

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Solution

The fourth proportional to 3,518.15, 5,274.59 and 2,131.17 is: 3,195.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.15 : 5,274.59 = 2,131.17 : x
  2. Step 2: Convert to fraction form
    3,518.15/5,274.59 = 2,131.17/x
  3. Step 3: Cross multiply
    3,518.15x = 5,274.59 × 2,131.17
  4. Step 4: Simplify right side
    3,518.15x = 11,241,037.31
  5. Step 5: Solve for x
    x = 11,241,037.31/3,518.15
  6. Step 6: Final answer
    x = 3,195.16

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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.