Home / 3,872.18-5,808.68-2,564.44

Finding the Fourth Proportional to 3,872.18, 5,808.68 and 2,564.44

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Solution

The fourth proportional to 3,872.18, 5,808.68 and 2,564.44 is: 3,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.18 : 5,808.68 = 2,564.44 : x
  2. Step 2: Convert to fraction form
    3,872.18/5,808.68 = 2,564.44/x
  3. Step 3: Cross multiply
    3,872.18x = 5,808.68 × 2,564.44
  4. Step 4: Simplify right side
    3,872.18x = 14,896,011.34
  5. Step 5: Solve for x
    x = 14,896,011.34/3,872.18
  6. Step 6: Final answer
    x = 3,846.93

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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.