Home / 3,729.64-5,140.56-2,548.66

Finding the Fourth Proportional to 3,729.64, 5,140.56 and 2,548.66

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Solution

The fourth proportional to 3,729.64, 5,140.56 and 2,548.66 is: 3,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.64 : 5,140.56 = 2,548.66 : x
  2. Step 2: Convert to fraction form
    3,729.64/5,140.56 = 2,548.66/x
  3. Step 3: Cross multiply
    3,729.64x = 5,140.56 × 2,548.66
  4. Step 4: Simplify right side
    3,729.64x = 13,101,539.65
  5. Step 5: Solve for x
    x = 13,101,539.65/3,729.64
  6. Step 6: Final answer
    x = 3,512.82

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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.