Home / 3,541.16-4,886.82-2,143.56

Finding the Fourth Proportional to 3,541.16, 4,886.82 and 2,143.56

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Solution

The fourth proportional to 3,541.16, 4,886.82 and 2,143.56 is: 2,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.16 : 4,886.82 = 2,143.56 : x
  2. Step 2: Convert to fraction form
    3,541.16/4,886.82 = 2,143.56/x
  3. Step 3: Cross multiply
    3,541.16x = 4,886.82 × 2,143.56
  4. Step 4: Simplify right side
    3,541.16x = 10,475,191.88
  5. Step 5: Solve for x
    x = 10,475,191.88/3,541.16
  6. Step 6: Final answer
    x = 2,958.12

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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.