Home / 3,541.80-4,886.28-2,125.54

Finding the Fourth Proportional to 3,541.80, 4,886.28 and 2,125.54

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Solution

The fourth proportional to 3,541.80, 4,886.28 and 2,125.54 is: 2,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.80 : 4,886.28 = 2,125.54 : x
  2. Step 2: Convert to fraction form
    3,541.80/4,886.28 = 2,125.54/x
  3. Step 3: Cross multiply
    3,541.80x = 4,886.28 × 2,125.54
  4. Step 4: Simplify right side
    3,541.80x = 10,385,983.59
  5. Step 5: Solve for x
    x = 10,385,983.59/3,541.80
  6. Step 6: Final answer
    x = 2,932.40

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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.