Home / 2,190.04-3,022.24-1,195.32

Finding the Fourth Proportional to 2,190.04, 3,022.24 and 1,195.32

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Solution

The fourth proportional to 2,190.04, 3,022.24 and 1,195.32 is: 1,649.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.04 : 3,022.24 = 1,195.32 : x
  2. Step 2: Convert to fraction form
    2,190.04/3,022.24 = 1,195.32/x
  3. Step 3: Cross multiply
    2,190.04x = 3,022.24 × 1,195.32
  4. Step 4: Simplify right side
    2,190.04x = 3,612,543.92
  5. Step 5: Solve for x
    x = 3,612,543.92/2,190.04
  6. Step 6: Final answer
    x = 1,649.53

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Half scale
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Double 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.