Home / 3,974-5,484.12-2,576.75

Finding the Fourth Proportional to 3,974, 5,484.12 and 2,576.75

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Solution

The fourth proportional to 3,974, 5,484.12 and 2,576.75 is: 3,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974 : 5,484.12 = 2,576.75 : x
  2. Step 2: Convert to fraction form
    3,974/5,484.12 = 2,576.75/x
  3. Step 3: Cross multiply
    3,974x = 5,484.12 × 2,576.75
  4. Step 4: Simplify right side
    3,974x = 14,131,206.21
  5. Step 5: Solve for x
    x = 14,131,206.21/3,974
  6. Step 6: Final answer
    x = 3,555.92

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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.