Home / 3,457.72-5,185.84-1,117.94

Finding the Fourth Proportional to 3,457.72, 5,185.84 and 1,117.94

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Solution

The fourth proportional to 3,457.72, 5,185.84 and 1,117.94 is: 1,676.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.72 : 5,185.84 = 1,117.94 : x
  2. Step 2: Convert to fraction form
    3,457.72/5,185.84 = 1,117.94/x
  3. Step 3: Cross multiply
    3,457.72x = 5,185.84 × 1,117.94
  4. Step 4: Simplify right side
    3,457.72x = 5,797,457.97
  5. Step 5: Solve for x
    x = 5,797,457.97/3,457.72
  6. Step 6: Final answer
    x = 1,676.67

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1.5x scale

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.