Home / 3,162.37-4,364.73-2,100.19

Finding the Fourth Proportional to 3,162.37, 4,364.73 and 2,100.19

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Solution

The fourth proportional to 3,162.37, 4,364.73 and 2,100.19 is: 2,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.37 : 4,364.73 = 2,100.19 : x
  2. Step 2: Convert to fraction form
    3,162.37/4,364.73 = 2,100.19/x
  3. Step 3: Cross multiply
    3,162.37x = 4,364.73 × 2,100.19
  4. Step 4: Simplify right side
    3,162.37x = 9,166,751.39
  5. Step 5: Solve for x
    x = 9,166,751.39/3,162.37
  6. Step 6: Final answer
    x = 2,898.70

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.