Home / 3,206.34-4,807.71-1,125.77

Finding the Fourth Proportional to 3,206.34, 4,807.71 and 1,125.77

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Solution

The fourth proportional to 3,206.34, 4,807.71 and 1,125.77 is: 1,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.34 : 4,807.71 = 1,125.77 : x
  2. Step 2: Convert to fraction form
    3,206.34/4,807.71 = 1,125.77/x
  3. Step 3: Cross multiply
    3,206.34x = 4,807.71 × 1,125.77
  4. Step 4: Simplify right side
    3,206.34x = 5,412,351.65
  5. Step 5: Solve for x
    x = 5,412,351.65/3,206.34
  6. Step 6: Final answer
    x = 1,688.02

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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.