Home / 2,190.32-3,283.76-1,094.12

Finding the Fourth Proportional to 2,190.32, 3,283.76 and 1,094.12

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Solution

The fourth proportional to 2,190.32, 3,283.76 and 1,094.12 is: 1,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.32 : 3,283.76 = 1,094.12 : x
  2. Step 2: Convert to fraction form
    2,190.32/3,283.76 = 1,094.12/x
  3. Step 3: Cross multiply
    2,190.32x = 3,283.76 × 1,094.12
  4. Step 4: Simplify right side
    2,190.32x = 3,592,813.81
  5. Step 5: Solve for x
    x = 3,592,813.81/2,190.32
  6. Step 6: Final answer
    x = 1,640.32

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Double scale
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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.