Home / 3,801.48-5,703.04-2,158.80

Finding the Fourth Proportional to 3,801.48, 5,703.04 and 2,158.80

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Solution

The fourth proportional to 3,801.48, 5,703.04 and 2,158.80 is: 3,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.48 : 5,703.04 = 2,158.80 : x
  2. Step 2: Convert to fraction form
    3,801.48/5,703.04 = 2,158.80/x
  3. Step 3: Cross multiply
    3,801.48x = 5,703.04 × 2,158.80
  4. Step 4: Simplify right side
    3,801.48x = 12,311,722.75
  5. Step 5: Solve for x
    x = 12,311,722.75/3,801.48
  6. Step 6: Final answer
    x = 3,238.67

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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.