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Finding the Fourth Proportional to 3,167.04, 4,750.48 and 858.48

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Solution

The fourth proportional to 3,167.04, 4,750.48 and 858.48 is: 1,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.04 : 4,750.48 = 858.48 : x
  2. Step 2: Convert to fraction form
    3,167.04/4,750.48 = 858.48/x
  3. Step 3: Cross multiply
    3,167.04x = 4,750.48 × 858.48
  4. Step 4: Simplify right side
    3,167.04x = 4,078,192.07
  5. Step 5: Solve for x
    x = 4,078,192.07/3,167.04
  6. Step 6: Final answer
    x = 1,287.70

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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.