Home / 3,441.60-5,158.79-1,684.18

Finding the Fourth Proportional to 3,441.60, 5,158.79 and 1,684.18

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Solution

The fourth proportional to 3,441.60, 5,158.79 and 1,684.18 is: 2,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,441.60 : 5,158.79 = 1,684.18 : x
  2. Step 2: Convert to fraction form
    3,441.60/5,158.79 = 1,684.18/x
  3. Step 3: Cross multiply
    3,441.60x = 5,158.79 × 1,684.18
  4. Step 4: Simplify right side
    3,441.60x = 8,688,330.94
  5. Step 5: Solve for x
    x = 8,688,330.94/3,441.60
  6. Step 6: Final answer
    x = 2,524.50

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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.