Home / 3,656.32-5,484.94-1,190.48

Finding the Fourth Proportional to 3,656.32, 5,484.94 and 1,190.48

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Solution

The fourth proportional to 3,656.32, 5,484.94 and 1,190.48 is: 1,785.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.32 : 5,484.94 = 1,190.48 : x
  2. Step 2: Convert to fraction form
    3,656.32/5,484.94 = 1,190.48/x
  3. Step 3: Cross multiply
    3,656.32x = 5,484.94 × 1,190.48
  4. Step 4: Simplify right side
    3,656.32x = 6,529,711.37
  5. Step 5: Solve for x
    x = 6,529,711.37/3,656.32
  6. Step 6: Final answer
    x = 1,785.87

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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.