Home / 3,192.12-4,787.96-1,342.26

Finding the Fourth Proportional to 3,192.12, 4,787.96 and 1,342.26

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Solution

The fourth proportional to 3,192.12, 4,787.96 and 1,342.26 is: 2,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.12 : 4,787.96 = 1,342.26 : x
  2. Step 2: Convert to fraction form
    3,192.12/4,787.96 = 1,342.26/x
  3. Step 3: Cross multiply
    3,192.12x = 4,787.96 × 1,342.26
  4. Step 4: Simplify right side
    3,192.12x = 6,426,687.19
  5. Step 5: Solve for x
    x = 6,426,687.19/3,192.12
  6. Step 6: Final answer
    x = 2,013.30

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1.5x scale

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.