Home / 4,135.76-5,706.84-2,457.20

Finding the Fourth Proportional to 4,135.76, 5,706.84 and 2,457.20

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Solution

The fourth proportional to 4,135.76, 5,706.84 and 2,457.20 is: 3,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.76 : 5,706.84 = 2,457.20 : x
  2. Step 2: Convert to fraction form
    4,135.76/5,706.84 = 2,457.20/x
  3. Step 3: Cross multiply
    4,135.76x = 5,706.84 × 2,457.20
  4. Step 4: Simplify right side
    4,135.76x = 14,022,847.25
  5. Step 5: Solve for x
    x = 14,022,847.25/4,135.76
  6. Step 6: Final answer
    x = 3,390.63

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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.