Home / 3,451.53-5,178.05-1,260.24

Finding the Fourth Proportional to 3,451.53, 5,178.05 and 1,260.24

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Solution

The fourth proportional to 3,451.53, 5,178.05 and 1,260.24 is: 1,890.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.53 : 5,178.05 = 1,260.24 : x
  2. Step 2: Convert to fraction form
    3,451.53/5,178.05 = 1,260.24/x
  3. Step 3: Cross multiply
    3,451.53x = 5,178.05 × 1,260.24
  4. Step 4: Simplify right side
    3,451.53x = 6,525,585.73
  5. Step 5: Solve for x
    x = 6,525,585.73/3,451.53
  6. Step 6: Final answer
    x = 1,890.64

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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.