Home / 3,440.58-4,748.10-2,115.06

Finding the Fourth Proportional to 3,440.58, 4,748.10 and 2,115.06

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Solution

The fourth proportional to 3,440.58, 4,748.10 and 2,115.06 is: 2,918.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.58 : 4,748.10 = 2,115.06 : x
  2. Step 2: Convert to fraction form
    3,440.58/4,748.10 = 2,115.06/x
  3. Step 3: Cross multiply
    3,440.58x = 4,748.10 × 2,115.06
  4. Step 4: Simplify right side
    3,440.58x = 10,042,516.39
  5. Step 5: Solve for x
    x = 10,042,516.39/3,440.58
  6. Step 6: Final answer
    x = 2,918.84

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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.