Home / 1,512.45-2,267.64-587.82

Finding the Fourth Proportional to 1,512.45, 2,267.64 and 587.82

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Solution

The fourth proportional to 1,512.45, 2,267.64 and 587.82 is: 881.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.45 : 2,267.64 = 587.82 : x
  2. Step 2: Convert to fraction form
    1,512.45/2,267.64 = 587.82/x
  3. Step 3: Cross multiply
    1,512.45x = 2,267.64 × 587.82
  4. Step 4: Simplify right side
    1,512.45x = 1,332,964.14
  5. Step 5: Solve for x
    x = 1,332,964.14/1,512.45
  6. Step 6: Final answer
    x = 881.33

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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.