Home / 1,513.18-2,268.66-525.82

Finding the Fourth Proportional to 1,513.18, 2,268.66 and 525.82

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Solution

The fourth proportional to 1,513.18, 2,268.66 and 525.82 is: 788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.18 : 2,268.66 = 525.82 : x
  2. Step 2: Convert to fraction form
    1,513.18/2,268.66 = 525.82/x
  3. Step 3: Cross multiply
    1,513.18x = 2,268.66 × 525.82
  4. Step 4: Simplify right side
    1,513.18x = 1,192,906.80
  5. Step 5: Solve for x
    x = 1,192,906.80/1,513.18
  6. Step 6: Final answer
    x = 788.34

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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.