Home / 4,121.31-5,688.47-2,548.48

Finding the Fourth Proportional to 4,121.31, 5,688.47 and 2,548.48

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Solution

The fourth proportional to 4,121.31, 5,688.47 and 2,548.48 is: 3,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.31 : 5,688.47 = 2,548.48 : x
  2. Step 2: Convert to fraction form
    4,121.31/5,688.47 = 2,548.48/x
  3. Step 3: Cross multiply
    4,121.31x = 5,688.47 × 2,548.48
  4. Step 4: Simplify right side
    4,121.31x = 14,496,952.03
  5. Step 5: Solve for x
    x = 14,496,952.03/4,121.31
  6. Step 6: Final answer
    x = 3,517.56

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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.