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Finding the Fourth Proportional to 3,115.67, 4,673.70 and 924.62

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Solution

The fourth proportional to 3,115.67, 4,673.70 and 924.62 is: 1,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.67 : 4,673.70 = 924.62 : x
  2. Step 2: Convert to fraction form
    3,115.67/4,673.70 = 924.62/x
  3. Step 3: Cross multiply
    3,115.67x = 4,673.70 × 924.62
  4. Step 4: Simplify right side
    3,115.67x = 4,321,373.13
  5. Step 5: Solve for x
    x = 4,321,373.13/3,115.67
  6. Step 6: Final answer
    x = 1,386.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.