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Finding the Fourth Proportional to 1,745.63, 2,618.82 and 575.58

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Solution

The fourth proportional to 1,745.63, 2,618.82 and 575.58 is: 863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.63 : 2,618.82 = 575.58 : x
  2. Step 2: Convert to fraction form
    1,745.63/2,618.82 = 575.58/x
  3. Step 3: Cross multiply
    1,745.63x = 2,618.82 × 575.58
  4. Step 4: Simplify right side
    1,745.63x = 1,507,340.42
  5. Step 5: Solve for x
    x = 1,507,340.42/1,745.63
  6. Step 6: Final answer
    x = 863.49

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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.