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Finding the Fourth Proportional to 1,745.89, 2,618.68 and 575.88

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Solution

The fourth proportional to 1,745.89, 2,618.68 and 575.88 is: 863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.89 : 2,618.68 = 575.88 : x
  2. Step 2: Convert to fraction form
    1,745.89/2,618.68 = 575.88/x
  3. Step 3: Cross multiply
    1,745.89x = 2,618.68 × 575.88
  4. Step 4: Simplify right side
    1,745.89x = 1,508,045.44
  5. Step 5: Solve for x
    x = 1,508,045.44/1,745.89
  6. Step 6: Final answer
    x = 863.77

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1.5x scale

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.