Home / 3,858.02-5,787.22-1,225.32

Finding the Fourth Proportional to 3,858.02, 5,787.22 and 1,225.32

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Solution

The fourth proportional to 3,858.02, 5,787.22 and 1,225.32 is: 1,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.02 : 5,787.22 = 1,225.32 : x
  2. Step 2: Convert to fraction form
    3,858.02/5,787.22 = 1,225.32/x
  3. Step 3: Cross multiply
    3,858.02x = 5,787.22 × 1,225.32
  4. Step 4: Simplify right side
    3,858.02x = 7,091,196.41
  5. Step 5: Solve for x
    x = 7,091,196.41/3,858.02
  6. Step 6: Final answer
    x = 1,838.04

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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.