Home / 1,495.51-2,242.60-629.21

Finding the Fourth Proportional to 1,495.51, 2,242.60 and 629.21

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Solution

The fourth proportional to 1,495.51, 2,242.60 and 629.21 is: 943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.51 : 2,242.60 = 629.21 : x
  2. Step 2: Convert to fraction form
    1,495.51/2,242.60 = 629.21/x
  3. Step 3: Cross multiply
    1,495.51x = 2,242.60 × 629.21
  4. Step 4: Simplify right side
    1,495.51x = 1,411,066.35
  5. Step 5: Solve for x
    x = 1,411,066.35/1,495.51
  6. Step 6: Final answer
    x = 943.54

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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.