Home / 3,450.07-4,761.43-2,124.55

Finding the Fourth Proportional to 3,450.07, 4,761.43 and 2,124.55

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Solution

The fourth proportional to 3,450.07, 4,761.43 and 2,124.55 is: 2,932.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.07 : 4,761.43 = 2,124.55 : x
  2. Step 2: Convert to fraction form
    3,450.07/4,761.43 = 2,124.55/x
  3. Step 3: Cross multiply
    3,450.07x = 4,761.43 × 2,124.55
  4. Step 4: Simplify right side
    3,450.07x = 10,115,896.11
  5. Step 5: Solve for x
    x = 10,115,896.11/3,450.07
  6. Step 6: Final answer
    x = 2,932.08

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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.