Home / 4,173.49-5,760.90-2,405.80

Finding the Fourth Proportional to 4,173.49, 5,760.90 and 2,405.80

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Solution

The fourth proportional to 4,173.49, 5,760.90 and 2,405.80 is: 3,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,173.49 : 5,760.90 = 2,405.80 : x
  2. Step 2: Convert to fraction form
    4,173.49/5,760.90 = 2,405.80/x
  3. Step 3: Cross multiply
    4,173.49x = 5,760.90 × 2,405.80
  4. Step 4: Simplify right side
    4,173.49x = 13,859,573.22
  5. Step 5: Solve for x
    x = 13,859,573.22/4,173.49
  6. Step 6: Final answer
    x = 3,320.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.