Home / 3,548.20-4,896.28-2,131.95

Finding the Fourth Proportional to 3,548.20, 4,896.28 and 2,131.95

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Solution

The fourth proportional to 3,548.20, 4,896.28 and 2,131.95 is: 2,941.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.20 : 4,896.28 = 2,131.95 : x
  2. Step 2: Convert to fraction form
    3,548.20/4,896.28 = 2,131.95/x
  3. Step 3: Cross multiply
    3,548.20x = 4,896.28 × 2,131.95
  4. Step 4: Simplify right side
    3,548.20x = 10,438,599.36
  5. Step 5: Solve for x
    x = 10,438,599.36/3,548.20
  6. Step 6: Final answer
    x = 2,941.94

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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.