Home / 3,714.24-5,125.42-2,121.07

Finding the Fourth Proportional to 3,714.24, 5,125.42 and 2,121.07

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Solution

The fourth proportional to 3,714.24, 5,125.42 and 2,121.07 is: 2,926.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.24 : 5,125.42 = 2,121.07 : x
  2. Step 2: Convert to fraction form
    3,714.24/5,125.42 = 2,121.07/x
  3. Step 3: Cross multiply
    3,714.24x = 5,125.42 × 2,121.07
  4. Step 4: Simplify right side
    3,714.24x = 10,871,374.60
  5. Step 5: Solve for x
    x = 10,871,374.60/3,714.24
  6. Step 6: Final answer
    x = 2,926.94

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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.