Home / 3,451.74-5,143.30-3,284.36

Finding the Fourth Proportional to 3,451.74, 5,143.30 and 3,284.36

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Solution

The fourth proportional to 3,451.74, 5,143.30 and 3,284.36 is: 4,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.74 : 5,143.30 = 3,284.36 : x
  2. Step 2: Convert to fraction form
    3,451.74/5,143.30 = 3,284.36/x
  3. Step 3: Cross multiply
    3,451.74x = 5,143.30 × 3,284.36
  4. Step 4: Simplify right side
    3,451.74x = 16,892,448.79
  5. Step 5: Solve for x
    x = 16,892,448.79/3,451.74
  6. Step 6: Final answer
    x = 4,893.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.