Home / 3,440.32-5,160.47-1,100.56

Finding the Fourth Proportional to 3,440.32, 5,160.47 and 1,100.56

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Solution

The fourth proportional to 3,440.32, 5,160.47 and 1,100.56 is: 1,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.32 : 5,160.47 = 1,100.56 : x
  2. Step 2: Convert to fraction form
    3,440.32/5,160.47 = 1,100.56/x
  3. Step 3: Cross multiply
    3,440.32x = 5,160.47 × 1,100.56
  4. Step 4: Simplify right side
    3,440.32x = 5,679,406.86
  5. Step 5: Solve for x
    x = 5,679,406.86/3,440.32
  6. Step 6: Final answer
    x = 1,650.84

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Half scale
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Double scale
Find fourth proportional to 3,441.32, 5,161.97 and 1,101.56
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.