Home / 2,190.43-3,283.21-1,095.72

Finding the Fourth Proportional to 2,190.43, 3,283.21 and 1,095.72

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Solution

The fourth proportional to 2,190.43, 3,283.21 and 1,095.72 is: 1,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.43 : 3,283.21 = 1,095.72 : x
  2. Step 2: Convert to fraction form
    2,190.43/3,283.21 = 1,095.72/x
  3. Step 3: Cross multiply
    2,190.43x = 3,283.21 × 1,095.72
  4. Step 4: Simplify right side
    2,190.43x = 3,597,478.86
  5. Step 5: Solve for x
    x = 3,597,478.86/2,190.43
  6. Step 6: Final answer
    x = 1,642.36

Related Problems

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Half scale
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Double scale
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Similar ratio
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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.