Home / 3,192.36-4,787.82-1,140.36

Finding the Fourth Proportional to 3,192.36, 4,787.82 and 1,140.36

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Solution

The fourth proportional to 3,192.36, 4,787.82 and 1,140.36 is: 1,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.36 : 4,787.82 = 1,140.36 : x
  2. Step 2: Convert to fraction form
    3,192.36/4,787.82 = 1,140.36/x
  3. Step 3: Cross multiply
    3,192.36x = 4,787.82 × 1,140.36
  4. Step 4: Simplify right side
    3,192.36x = 5,459,838.42
  5. Step 5: Solve for x
    x = 5,459,838.42/3,192.36
  6. Step 6: Final answer
    x = 1,710.28

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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.