Home / 3,885.47-5,816.98-3,484.85

Finding the Fourth Proportional to 3,885.47, 5,816.98 and 3,484.85

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Solution

The fourth proportional to 3,885.47, 5,816.98 and 3,484.85 is: 5,217.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.47 : 5,816.98 = 3,484.85 : x
  2. Step 2: Convert to fraction form
    3,885.47/5,816.98 = 3,484.85/x
  3. Step 3: Cross multiply
    3,885.47x = 5,816.98 × 3,484.85
  4. Step 4: Simplify right side
    3,885.47x = 20,271,285.33
  5. Step 5: Solve for x
    x = 20,271,285.33/3,885.47
  6. Step 6: Final answer
    x = 5,217.20

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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.