Home / 3,336.42-4,601.30-2,156.25

Finding the Fourth Proportional to 3,336.42, 4,601.30 and 2,156.25

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Solution

The fourth proportional to 3,336.42, 4,601.30 and 2,156.25 is: 2,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.42 : 4,601.30 = 2,156.25 : x
  2. Step 2: Convert to fraction form
    3,336.42/4,601.30 = 2,156.25/x
  3. Step 3: Cross multiply
    3,336.42x = 4,601.30 × 2,156.25
  4. Step 4: Simplify right side
    3,336.42x = 9,921,542.34
  5. Step 5: Solve for x
    x = 9,921,542.34/3,336.42
  6. Step 6: Final answer
    x = 2,973.71

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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.