Home / 2,090.36-3,135.51-629.45

Finding the Fourth Proportional to 2,090.36, 3,135.51 and 629.45

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Solution

The fourth proportional to 2,090.36, 3,135.51 and 629.45 is: 944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.36 : 3,135.51 = 629.45 : x
  2. Step 2: Convert to fraction form
    2,090.36/3,135.51 = 629.45/x
  3. Step 3: Cross multiply
    2,090.36x = 3,135.51 × 629.45
  4. Step 4: Simplify right side
    2,090.36x = 1,973,646.77
  5. Step 5: Solve for x
    x = 1,973,646.77/2,090.36
  6. Step 6: Final answer
    x = 944.17

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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.