Home / 3,457.17-4,765.50-3,171.15

Finding the Fourth Proportional to 3,457.17, 4,765.50 and 3,171.15

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Solution

The fourth proportional to 3,457.17, 4,765.50 and 3,171.15 is: 4,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.17 : 4,765.50 = 3,171.15 : x
  2. Step 2: Convert to fraction form
    3,457.17/4,765.50 = 3,171.15/x
  3. Step 3: Cross multiply
    3,457.17x = 4,765.50 × 3,171.15
  4. Step 4: Simplify right side
    3,457.17x = 15,112,115.33
  5. Step 5: Solve for x
    x = 15,112,115.33/3,457.17
  6. Step 6: Final answer
    x = 4,371.24

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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.