Home / 1,675.18-2,512.21-579.25

Finding the Fourth Proportional to 1,675.18, 2,512.21 and 579.25

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Solution

The fourth proportional to 1,675.18, 2,512.21 and 579.25 is: 868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.18 : 2,512.21 = 579.25 : x
  2. Step 2: Convert to fraction form
    1,675.18/2,512.21 = 579.25/x
  3. Step 3: Cross multiply
    1,675.18x = 2,512.21 × 579.25
  4. Step 4: Simplify right side
    1,675.18x = 1,455,197.64
  5. Step 5: Solve for x
    x = 1,455,197.64/1,675.18
  6. Step 6: Final answer
    x = 868.68

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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.