Home / 3,192.12-4,405.68-2,013.84

Finding the Fourth Proportional to 3,192.12, 4,405.68 and 2,013.84

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Solution

The fourth proportional to 3,192.12, 4,405.68 and 2,013.84 is: 2,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.12 : 4,405.68 = 2,013.84 : x
  2. Step 2: Convert to fraction form
    3,192.12/4,405.68 = 2,013.84/x
  3. Step 3: Cross multiply
    3,192.12x = 4,405.68 × 2,013.84
  4. Step 4: Simplify right side
    3,192.12x = 8,872,334.61
  5. Step 5: Solve for x
    x = 8,872,334.61/3,192.12
  6. Step 6: Final answer
    x = 2,779.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.