Home / 2,342.37-3,529.18-2,120.27

Finding the Fourth Proportional to 2,342.37, 3,529.18 and 2,120.27

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Solution

The fourth proportional to 2,342.37, 3,529.18 and 2,120.27 is: 3,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.37 : 3,529.18 = 2,120.27 : x
  2. Step 2: Convert to fraction form
    2,342.37/3,529.18 = 2,120.27/x
  3. Step 3: Cross multiply
    2,342.37x = 3,529.18 × 2,120.27
  4. Step 4: Simplify right side
    2,342.37x = 7,482,812.70
  5. Step 5: Solve for x
    x = 7,482,812.70/2,342.37
  6. Step 6: Final answer
    x = 3,194.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.