Home / 3,299.88-4,552.32-2,120.52

Finding the Fourth Proportional to 3,299.88, 4,552.32 and 2,120.52

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Solution

The fourth proportional to 3,299.88, 4,552.32 and 2,120.52 is: 2,925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.88 : 4,552.32 = 2,120.52 : x
  2. Step 2: Convert to fraction form
    3,299.88/4,552.32 = 2,120.52/x
  3. Step 3: Cross multiply
    3,299.88x = 4,552.32 × 2,120.52
  4. Step 4: Simplify right side
    3,299.88x = 9,653,285.61
  5. Step 5: Solve for x
    x = 9,653,285.61/3,299.88
  6. Step 6: Final answer
    x = 2,925.34

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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.