Home / 3,446.45-4,753.67-2,120.88

Finding the Fourth Proportional to 3,446.45, 4,753.67 and 2,120.88

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Solution

The fourth proportional to 3,446.45, 4,753.67 and 2,120.88 is: 2,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.45 : 4,753.67 = 2,120.88 : x
  2. Step 2: Convert to fraction form
    3,446.45/4,753.67 = 2,120.88/x
  3. Step 3: Cross multiply
    3,446.45x = 4,753.67 × 2,120.88
  4. Step 4: Simplify right side
    3,446.45x = 10,081,963.63
  5. Step 5: Solve for x
    x = 10,081,963.63/3,446.45
  6. Step 6: Final answer
    x = 2,925.32

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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.