Home / 3,269.61-4,905.23-1,515.87

Finding the Fourth Proportional to 3,269.61, 4,905.23 and 1,515.87

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Solution

The fourth proportional to 3,269.61, 4,905.23 and 1,515.87 is: 2,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.61 : 4,905.23 = 1,515.87 : x
  2. Step 2: Convert to fraction form
    3,269.61/4,905.23 = 1,515.87/x
  3. Step 3: Cross multiply
    3,269.61x = 4,905.23 × 1,515.87
  4. Step 4: Simplify right side
    3,269.61x = 7,435,683.42
  5. Step 5: Solve for x
    x = 7,435,683.42/3,269.61
  6. Step 6: Final answer
    x = 2,274.18

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Why These Related Problems?

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