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Finding the Fourth Proportional to 3,800.51, 5,700.75 and 1,301.55

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Solution

The fourth proportional to 3,800.51, 5,700.75 and 1,301.55 is: 1,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.51 : 5,700.75 = 1,301.55 : x
  2. Step 2: Convert to fraction form
    3,800.51/5,700.75 = 1,301.55/x
  3. Step 3: Cross multiply
    3,800.51x = 5,700.75 × 1,301.55
  4. Step 4: Simplify right side
    3,800.51x = 7,419,811.16
  5. Step 5: Solve for x
    x = 7,419,811.16/3,800.51
  6. Step 6: Final answer
    x = 1,952.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.