Home / 3,336.21-4,603.84-2,157.95

Finding the Fourth Proportional to 3,336.21, 4,603.84 and 2,157.95

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Solution

The fourth proportional to 3,336.21, 4,603.84 and 2,157.95 is: 2,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,336.21 : 4,603.84 = 2,157.95 : x
  2. Step 2: Convert to fraction form
    3,336.21/4,603.84 = 2,157.95/x
  3. Step 3: Cross multiply
    3,336.21x = 4,603.84 × 2,157.95
  4. Step 4: Simplify right side
    3,336.21x = 9,934,822.72
  5. Step 5: Solve for x
    x = 9,934,822.72/3,336.21
  6. Step 6: Final answer
    x = 2,977.88

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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.