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Finding the Fourth Proportional to 3,088.82, 4,262.54 and 1,672.47

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Solution

The fourth proportional to 3,088.82, 4,262.54 and 1,672.47 is: 2,307.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.82 : 4,262.54 = 1,672.47 : x
  2. Step 2: Convert to fraction form
    3,088.82/4,262.54 = 1,672.47/x
  3. Step 3: Cross multiply
    3,088.82x = 4,262.54 × 1,672.47
  4. Step 4: Simplify right side
    3,088.82x = 7,128,970.27
  5. Step 5: Solve for x
    x = 7,128,970.27/3,088.82
  6. Step 6: Final answer
    x = 2,307.99

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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.