Home / 3,846.10-5,771.85-1,656.40

Finding the Fourth Proportional to 3,846.10, 5,771.85 and 1,656.40

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Solution

The fourth proportional to 3,846.10, 5,771.85 and 1,656.40 is: 2,485.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.10 : 5,771.85 = 1,656.40 : x
  2. Step 2: Convert to fraction form
    3,846.10/5,771.85 = 1,656.40/x
  3. Step 3: Cross multiply
    3,846.10x = 5,771.85 × 1,656.40
  4. Step 4: Simplify right side
    3,846.10x = 9,560,492.34
  5. Step 5: Solve for x
    x = 9,560,492.34/3,846.10
  6. Step 6: Final answer
    x = 2,485.76

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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.