Home / 3,225.12-4,836.56-1,665.94

Finding the Fourth Proportional to 3,225.12, 4,836.56 and 1,665.94

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Solution

The fourth proportional to 3,225.12, 4,836.56 and 1,665.94 is: 2,498.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.12 : 4,836.56 = 1,665.94 : x
  2. Step 2: Convert to fraction form
    3,225.12/4,836.56 = 1,665.94/x
  3. Step 3: Cross multiply
    3,225.12x = 4,836.56 × 1,665.94
  4. Step 4: Simplify right side
    3,225.12x = 8,057,418.77
  5. Step 5: Solve for x
    x = 8,057,418.77/3,225.12
  6. Step 6: Final answer
    x = 2,498.33

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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.