Home / 3,180.36-4,385.94-2,506.92

Finding the Fourth Proportional to 3,180.36, 4,385.94 and 2,506.92

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Solution

The fourth proportional to 3,180.36, 4,385.94 and 2,506.92 is: 3,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.36 : 4,385.94 = 2,506.92 : x
  2. Step 2: Convert to fraction form
    3,180.36/4,385.94 = 2,506.92/x
  3. Step 3: Cross multiply
    3,180.36x = 4,385.94 × 2,506.92
  4. Step 4: Simplify right side
    3,180.36x = 10,995,200.70
  5. Step 5: Solve for x
    x = 10,995,200.70/3,180.36
  6. Step 6: Final answer
    x = 3,457.22

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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.