Home / 3,440.24-4,748.28-2,115.08

Finding the Fourth Proportional to 3,440.24, 4,748.28 and 2,115.08

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Solution

The fourth proportional to 3,440.24, 4,748.28 and 2,115.08 is: 2,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.24 : 4,748.28 = 2,115.08 : x
  2. Step 2: Convert to fraction form
    3,440.24/4,748.28 = 2,115.08/x
  3. Step 3: Cross multiply
    3,440.24x = 4,748.28 × 2,115.08
  4. Step 4: Simplify right side
    3,440.24x = 10,042,992.06
  5. Step 5: Solve for x
    x = 10,042,992.06/3,440.24
  6. Step 6: Final answer
    x = 2,919.27

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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.