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Finding the Fourth Proportional to 1,182.98, 1,628.01 and 1,152.47

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Solution

The fourth proportional to 1,182.98, 1,628.01 and 1,152.47 is: 1,586.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182.98 : 1,628.01 = 1,152.47 : x
  2. Step 2: Convert to fraction form
    1,182.98/1,628.01 = 1,152.47/x
  3. Step 3: Cross multiply
    1,182.98x = 1,628.01 × 1,152.47
  4. Step 4: Simplify right side
    1,182.98x = 1,876,224.54
  5. Step 5: Solve for x
    x = 1,876,224.54/1,182.98
  6. Step 6: Final answer
    x = 1,586.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.