Home / 3,459.55-5,191.37-3,240.63

Finding the Fourth Proportional to 3,459.55, 5,191.37 and 3,240.63

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Solution

The fourth proportional to 3,459.55, 5,191.37 and 3,240.63 is: 4,862.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.55 : 5,191.37 = 3,240.63 : x
  2. Step 2: Convert to fraction form
    3,459.55/5,191.37 = 3,240.63/x
  3. Step 3: Cross multiply
    3,459.55x = 5,191.37 × 3,240.63
  4. Step 4: Simplify right side
    3,459.55x = 16,823,309.36
  5. Step 5: Solve for x
    x = 16,823,309.36/3,459.55
  6. Step 6: Final answer
    x = 4,862.86

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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.