Home / 3,108.47-4,655.88-2,409.66

Finding the Fourth Proportional to 3,108.47, 4,655.88 and 2,409.66

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Solution

The fourth proportional to 3,108.47, 4,655.88 and 2,409.66 is: 3,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.47 : 4,655.88 = 2,409.66 : x
  2. Step 2: Convert to fraction form
    3,108.47/4,655.88 = 2,409.66/x
  3. Step 3: Cross multiply
    3,108.47x = 4,655.88 × 2,409.66
  4. Step 4: Simplify right side
    3,108.47x = 11,219,087.80
  5. Step 5: Solve for x
    x = 11,219,087.80/3,108.47
  6. Step 6: Final answer
    x = 3,609.21

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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.