Home / 3,477.46-5,212.54-1,284.79

Finding the Fourth Proportional to 3,477.46, 5,212.54 and 1,284.79

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Solution

The fourth proportional to 3,477.46, 5,212.54 and 1,284.79 is: 1,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.46 : 5,212.54 = 1,284.79 : x
  2. Step 2: Convert to fraction form
    3,477.46/5,212.54 = 1,284.79/x
  3. Step 3: Cross multiply
    3,477.46x = 5,212.54 × 1,284.79
  4. Step 4: Simplify right side
    3,477.46x = 6,697,007.84
  5. Step 5: Solve for x
    x = 6,697,007.84/3,477.46
  6. Step 6: Final answer
    x = 1,925.83

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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.