Home / 3,230.66-4,844.43-1,931.78

Finding the Fourth Proportional to 3,230.66, 4,844.43 and 1,931.78

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Solution

The fourth proportional to 3,230.66, 4,844.43 and 1,931.78 is: 2,896.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.66 : 4,844.43 = 1,931.78 : x
  2. Step 2: Convert to fraction form
    3,230.66/4,844.43 = 1,931.78/x
  3. Step 3: Cross multiply
    3,230.66x = 4,844.43 × 1,931.78
  4. Step 4: Simplify right side
    3,230.66x = 9,358,372.99
  5. Step 5: Solve for x
    x = 9,358,372.99/3,230.66
  6. Step 6: Final answer
    x = 2,896.74

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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.