Home / 3,450.40-4,763.20-2,125.24

Finding the Fourth Proportional to 3,450.40, 4,763.20 and 2,125.24

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Solution

The fourth proportional to 3,450.40, 4,763.20 and 2,125.24 is: 2,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.40 : 4,763.20 = 2,125.24 : x
  2. Step 2: Convert to fraction form
    3,450.40/4,763.20 = 2,125.24/x
  3. Step 3: Cross multiply
    3,450.40x = 4,763.20 × 2,125.24
  4. Step 4: Simplify right side
    3,450.40x = 10,122,943.17
  5. Step 5: Solve for x
    x = 10,122,943.17/3,450.40
  6. Step 6: Final answer
    x = 2,933.85

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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.