Home / 3,453.32-5,179.26-1,113.54

Finding the Fourth Proportional to 3,453.32, 5,179.26 and 1,113.54

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Solution

The fourth proportional to 3,453.32, 5,179.26 and 1,113.54 is: 1,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.32 : 5,179.26 = 1,113.54 : x
  2. Step 2: Convert to fraction form
    3,453.32/5,179.26 = 1,113.54/x
  3. Step 3: Cross multiply
    3,453.32x = 5,179.26 × 1,113.54
  4. Step 4: Simplify right side
    3,453.32x = 5,767,313.18
  5. Step 5: Solve for x
    x = 5,767,313.18/3,453.32
  6. Step 6: Final answer
    x = 1,670.08

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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.