Home / 2,090.32-3,135.75-629.62

Finding the Fourth Proportional to 2,090.32, 3,135.75 and 629.62

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Solution

The fourth proportional to 2,090.32, 3,135.75 and 629.62 is: 944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.32 : 3,135.75 = 629.62 : x
  2. Step 2: Convert to fraction form
    2,090.32/3,135.75 = 629.62/x
  3. Step 3: Cross multiply
    2,090.32x = 3,135.75 × 629.62
  4. Step 4: Simplify right side
    2,090.32x = 1,974,330.92
  5. Step 5: Solve for x
    x = 1,974,330.92/2,090.32
  6. Step 6: Final answer
    x = 944.51

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Double scale
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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.