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Finding the Fourth Proportional to 1,752.39, 2,628.95 and 582.32

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Solution

The fourth proportional to 1,752.39, 2,628.95 and 582.32 is: 873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.39 : 2,628.95 = 582.32 : x
  2. Step 2: Convert to fraction form
    1,752.39/2,628.95 = 582.32/x
  3. Step 3: Cross multiply
    1,752.39x = 2,628.95 × 582.32
  4. Step 4: Simplify right side
    1,752.39x = 1,530,893.82
  5. Step 5: Solve for x
    x = 1,530,893.82/1,752.39
  6. Step 6: Final answer
    x = 873.60

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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.