Home / 3,720.54-5,134.02-2,674.26

Finding the Fourth Proportional to 3,720.54, 5,134.02 and 2,674.26

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Solution

The fourth proportional to 3,720.54, 5,134.02 and 2,674.26 is: 3,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.54 : 5,134.02 = 2,674.26 : x
  2. Step 2: Convert to fraction form
    3,720.54/5,134.02 = 2,674.26/x
  3. Step 3: Cross multiply
    3,720.54x = 5,134.02 × 2,674.26
  4. Step 4: Simplify right side
    3,720.54x = 13,729,704.33
  5. Step 5: Solve for x
    x = 13,729,704.33/3,720.54
  6. Step 6: Final answer
    x = 3,690.25

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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.