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Finding the Fourth Proportional to 3,154.98, 4,732.47 and 846.48

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Solution

The fourth proportional to 3,154.98, 4,732.47 and 846.48 is: 1,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.98 : 4,732.47 = 846.48 : x
  2. Step 2: Convert to fraction form
    3,154.98/4,732.47 = 846.48/x
  3. Step 3: Cross multiply
    3,154.98x = 4,732.47 × 846.48
  4. Step 4: Simplify right side
    3,154.98x = 4,005,941.21
  5. Step 5: Solve for x
    x = 4,005,941.21/3,154.98
  6. Step 6: Final answer
    x = 1,269.72

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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.