Home / 3,457.86-5,161.23-3,214.05

Finding the Fourth Proportional to 3,457.86, 5,161.23 and 3,214.05

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Solution

The fourth proportional to 3,457.86, 5,161.23 and 3,214.05 is: 4,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.86 : 5,161.23 = 3,214.05 : x
  2. Step 2: Convert to fraction form
    3,457.86/5,161.23 = 3,214.05/x
  3. Step 3: Cross multiply
    3,457.86x = 5,161.23 × 3,214.05
  4. Step 4: Simplify right side
    3,457.86x = 16,588,451.28
  5. Step 5: Solve for x
    x = 16,588,451.28/3,457.86
  6. Step 6: Final answer
    x = 4,797.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.