Home / 3,656.32-5,483.80-1,190.76

Finding the Fourth Proportional to 3,656.32, 5,483.80 and 1,190.76

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Solution

The fourth proportional to 3,656.32, 5,483.80 and 1,190.76 is: 1,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.32 : 5,483.80 = 1,190.76 : x
  2. Step 2: Convert to fraction form
    3,656.32/5,483.80 = 1,190.76/x
  3. Step 3: Cross multiply
    3,656.32x = 5,483.80 × 1,190.76
  4. Step 4: Simplify right side
    3,656.32x = 6,529,889.69
  5. Step 5: Solve for x
    x = 6,529,889.69/3,656.32
  6. Step 6: Final answer
    x = 1,785.92

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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.