Home / 3,136.02-4,702.50-1,286.64

Finding the Fourth Proportional to 3,136.02, 4,702.50 and 1,286.64

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Solution

The fourth proportional to 3,136.02, 4,702.50 and 1,286.64 is: 1,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.02 : 4,702.50 = 1,286.64 : x
  2. Step 2: Convert to fraction form
    3,136.02/4,702.50 = 1,286.64/x
  3. Step 3: Cross multiply
    3,136.02x = 4,702.50 × 1,286.64
  4. Step 4: Simplify right side
    3,136.02x = 6,050,424.60
  5. Step 5: Solve for x
    x = 6,050,424.60/3,136.02
  6. Step 6: Final answer
    x = 1,929.33

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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.