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Finding the Fourth Proportional to 1,362.39, 2,043.95 and 582.51

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Solution

The fourth proportional to 1,362.39, 2,043.95 and 582.51 is: 873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.39 : 2,043.95 = 582.51 : x
  2. Step 2: Convert to fraction form
    1,362.39/2,043.95 = 582.51/x
  3. Step 3: Cross multiply
    1,362.39x = 2,043.95 × 582.51
  4. Step 4: Simplify right side
    1,362.39x = 1,190,618.40
  5. Step 5: Solve for x
    x = 1,190,618.40/1,362.39
  6. Step 6: Final answer
    x = 873.92

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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.