Home / 3,086.02-4,618.23-1,915.30

Finding the Fourth Proportional to 3,086.02, 4,618.23 and 1,915.30

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Solution

The fourth proportional to 3,086.02, 4,618.23 and 1,915.30 is: 2,866.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.02 : 4,618.23 = 1,915.30 : x
  2. Step 2: Convert to fraction form
    3,086.02/4,618.23 = 1,915.30/x
  3. Step 3: Cross multiply
    3,086.02x = 4,618.23 × 1,915.30
  4. Step 4: Simplify right side
    3,086.02x = 8,845,295.92
  5. Step 5: Solve for x
    x = 8,845,295.92/3,086.02
  6. Step 6: Final answer
    x = 2,866.25

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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.