Home / 1,506.63-2,261.57-629.75

Finding the Fourth Proportional to 1,506.63, 2,261.57 and 629.75

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Solution

The fourth proportional to 1,506.63, 2,261.57 and 629.75 is: 945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506.63 : 2,261.57 = 629.75 : x
  2. Step 2: Convert to fraction form
    1,506.63/2,261.57 = 629.75/x
  3. Step 3: Cross multiply
    1,506.63x = 2,261.57 × 629.75
  4. Step 4: Simplify right side
    1,506.63x = 1,424,209.25
  5. Step 5: Solve for x
    x = 1,424,209.25/1,506.63
  6. Step 6: Final answer
    x = 945.29

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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.