Home / 2,190.08-3,284.36-629.66

Finding the Fourth Proportional to 2,190.08, 3,284.36 and 629.66

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Solution

The fourth proportional to 2,190.08, 3,284.36 and 629.66 is: 944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.08 : 3,284.36 = 629.66 : x
  2. Step 2: Convert to fraction form
    2,190.08/3,284.36 = 629.66/x
  3. Step 3: Cross multiply
    2,190.08x = 3,284.36 × 629.66
  4. Step 4: Simplify right side
    2,190.08x = 2,068,030.12
  5. Step 5: Solve for x
    x = 2,068,030.12/2,190.08
  6. Step 6: Final answer
    x = 944.27

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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.