Home / 1,748.74-2,622.50-515.82

Finding the Fourth Proportional to 1,748.74, 2,622.50 and 515.82

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Solution

The fourth proportional to 1,748.74, 2,622.50 and 515.82 is: 773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.74 : 2,622.50 = 515.82 : x
  2. Step 2: Convert to fraction form
    1,748.74/2,622.50 = 515.82/x
  3. Step 3: Cross multiply
    1,748.74x = 2,622.50 × 515.82
  4. Step 4: Simplify right side
    1,748.74x = 1,352,735.37
  5. Step 5: Solve for x
    x = 1,352,735.37/1,748.74
  6. Step 6: Final answer
    x = 773.55

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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.