Home / 3,904.16-5,855.96-1,438.52

Finding the Fourth Proportional to 3,904.16, 5,855.96 and 1,438.52

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Solution

The fourth proportional to 3,904.16, 5,855.96 and 1,438.52 is: 2,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.16 : 5,855.96 = 1,438.52 : x
  2. Step 2: Convert to fraction form
    3,904.16/5,855.96 = 1,438.52/x
  3. Step 3: Cross multiply
    3,904.16x = 5,855.96 × 1,438.52
  4. Step 4: Simplify right side
    3,904.16x = 8,423,889.90
  5. Step 5: Solve for x
    x = 8,423,889.90/3,904.16
  6. Step 6: Final answer
    x = 2,157.67

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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.