Home / 3,719.81-5,570.92-3,230.20

Finding the Fourth Proportional to 3,719.81, 5,570.92 and 3,230.20

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Solution

The fourth proportional to 3,719.81, 5,570.92 and 3,230.20 is: 4,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.81 : 5,570.92 = 3,230.20 : x
  2. Step 2: Convert to fraction form
    3,719.81/5,570.92 = 3,230.20/x
  3. Step 3: Cross multiply
    3,719.81x = 5,570.92 × 3,230.20
  4. Step 4: Simplify right side
    3,719.81x = 17,995,185.78
  5. Step 5: Solve for x
    x = 17,995,185.78/3,719.81
  6. Step 6: Final answer
    x = 4,837.66

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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.