Home / 3,983.76-5,969.16-2,518.20

Finding the Fourth Proportional to 3,983.76, 5,969.16 and 2,518.20

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Solution

The fourth proportional to 3,983.76, 5,969.16 and 2,518.20 is: 3,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.76 : 5,969.16 = 2,518.20 : x
  2. Step 2: Convert to fraction form
    3,983.76/5,969.16 = 2,518.20/x
  3. Step 3: Cross multiply
    3,983.76x = 5,969.16 × 2,518.20
  4. Step 4: Simplify right side
    3,983.76x = 15,031,538.71
  5. Step 5: Solve for x
    x = 15,031,538.71/3,983.76
  6. Step 6: Final answer
    x = 3,773.20

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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.