Home / 3,541.21-4,886.48-2,124.95

Finding the Fourth Proportional to 3,541.21, 4,886.48 and 2,124.95

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Solution

The fourth proportional to 3,541.21, 4,886.48 and 2,124.95 is: 2,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.21 : 4,886.48 = 2,124.95 : x
  2. Step 2: Convert to fraction form
    3,541.21/4,886.48 = 2,124.95/x
  3. Step 3: Cross multiply
    3,541.21x = 4,886.48 × 2,124.95
  4. Step 4: Simplify right side
    3,541.21x = 10,383,525.68
  5. Step 5: Solve for x
    x = 10,383,525.68/3,541.21
  6. Step 6: Final answer
    x = 2,932.20

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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.