Home / 3,505.18-5,257.76-2,406.20

Finding the Fourth Proportional to 3,505.18, 5,257.76 and 2,406.20

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Solution

The fourth proportional to 3,505.18, 5,257.76 and 2,406.20 is: 3,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.18 : 5,257.76 = 2,406.20 : x
  2. Step 2: Convert to fraction form
    3,505.18/5,257.76 = 2,406.20/x
  3. Step 3: Cross multiply
    3,505.18x = 5,257.76 × 2,406.20
  4. Step 4: Simplify right side
    3,505.18x = 12,651,222.11
  5. Step 5: Solve for x
    x = 12,651,222.11/3,505.18
  6. Step 6: Final answer
    x = 3,609.29

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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.