Home / 3,457.28-5,185.77-1,607.75

Finding the Fourth Proportional to 3,457.28, 5,185.77 and 1,607.75

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Solution

The fourth proportional to 3,457.28, 5,185.77 and 1,607.75 is: 2,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.28 : 5,185.77 = 1,607.75 : x
  2. Step 2: Convert to fraction form
    3,457.28/5,185.77 = 1,607.75/x
  3. Step 3: Cross multiply
    3,457.28x = 5,185.77 × 1,607.75
  4. Step 4: Simplify right side
    3,457.28x = 8,337,418.25
  5. Step 5: Solve for x
    x = 8,337,418.25/3,457.28
  6. Step 6: Final answer
    x = 2,411.55

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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.