Home / 2,948.46-4,399.79-2,636.88

Finding the Fourth Proportional to 2,948.46, 4,399.79 and 2,636.88

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Solution

The fourth proportional to 2,948.46, 4,399.79 and 2,636.88 is: 3,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.46 : 4,399.79 = 2,636.88 : x
  2. Step 2: Convert to fraction form
    2,948.46/4,399.79 = 2,636.88/x
  3. Step 3: Cross multiply
    2,948.46x = 4,399.79 × 2,636.88
  4. Step 4: Simplify right side
    2,948.46x = 11,601,718.26
  5. Step 5: Solve for x
    x = 11,601,718.26/2,948.46
  6. Step 6: Final answer
    x = 3,934.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.