Home / 1,764.25-2,646.27-531.64

Finding the Fourth Proportional to 1,764.25, 2,646.27 and 531.64

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Solution

The fourth proportional to 1,764.25, 2,646.27 and 531.64 is: 797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.25 : 2,646.27 = 531.64 : x
  2. Step 2: Convert to fraction form
    1,764.25/2,646.27 = 531.64/x
  3. Step 3: Cross multiply
    1,764.25x = 2,646.27 × 531.64
  4. Step 4: Simplify right side
    1,764.25x = 1,406,862.98
  5. Step 5: Solve for x
    x = 1,406,862.98/1,764.25
  6. Step 6: Final answer
    x = 797.43

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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.