Home / 3,454.13-5,178.96-1,262.67

Finding the Fourth Proportional to 3,454.13, 5,178.96 and 1,262.67

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Solution

The fourth proportional to 3,454.13, 5,178.96 and 1,262.67 is: 1,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.13 : 5,178.96 = 1,262.67 : x
  2. Step 2: Convert to fraction form
    3,454.13/5,178.96 = 1,262.67/x
  3. Step 3: Cross multiply
    3,454.13x = 5,178.96 × 1,262.67
  4. Step 4: Simplify right side
    3,454.13x = 6,539,317.42
  5. Step 5: Solve for x
    x = 6,539,317.42/3,454.13
  6. Step 6: Final answer
    x = 1,893.19

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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.