Home / 3,150.34-4,339.42-2,618.26

Finding the Fourth Proportional to 3,150.34, 4,339.42 and 2,618.26

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Solution

The fourth proportional to 3,150.34, 4,339.42 and 2,618.26 is: 3,606.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.34 : 4,339.42 = 2,618.26 : x
  2. Step 2: Convert to fraction form
    3,150.34/4,339.42 = 2,618.26/x
  3. Step 3: Cross multiply
    3,150.34x = 4,339.42 × 2,618.26
  4. Step 4: Simplify right side
    3,150.34x = 11,361,729.81
  5. Step 5: Solve for x
    x = 11,361,729.81/3,150.34
  6. Step 6: Final answer
    x = 3,606.51

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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.