Home / 1,261.00-1,890.84-567.07

Finding the Fourth Proportional to 1,261.00, 1,890.84 and 567.07

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Solution

The fourth proportional to 1,261.00, 1,890.84 and 567.07 is: 850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261.00 : 1,890.84 = 567.07 : x
  2. Step 2: Convert to fraction form
    1,261.00/1,890.84 = 567.07/x
  3. Step 3: Cross multiply
    1,261.00x = 1,890.84 × 567.07
  4. Step 4: Simplify right side
    1,261.00x = 1,072,238.64
  5. Step 5: Solve for x
    x = 1,072,238.64/1,261.00
  6. Step 6: Final answer
    x = 850.31

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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.