Home / 3,416.94-5,117.28-2,180.46

Finding the Fourth Proportional to 3,416.94, 5,117.28 and 2,180.46

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Solution

The fourth proportional to 3,416.94, 5,117.28 and 2,180.46 is: 3,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.94 : 5,117.28 = 2,180.46 : x
  2. Step 2: Convert to fraction form
    3,416.94/5,117.28 = 2,180.46/x
  3. Step 3: Cross multiply
    3,416.94x = 5,117.28 × 2,180.46
  4. Step 4: Simplify right side
    3,416.94x = 11,158,024.35
  5. Step 5: Solve for x
    x = 11,158,024.35/3,416.94
  6. Step 6: Final answer
    x = 3,265.50

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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.