Home / 3,429.45-5,141.10-1,237.67

Finding the Fourth Proportional to 3,429.45, 5,141.10 and 1,237.67

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Solution

The fourth proportional to 3,429.45, 5,141.10 and 1,237.67 is: 1,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.45 : 5,141.10 = 1,237.67 : x
  2. Step 2: Convert to fraction form
    3,429.45/5,141.10 = 1,237.67/x
  3. Step 3: Cross multiply
    3,429.45x = 5,141.10 × 1,237.67
  4. Step 4: Simplify right side
    3,429.45x = 6,362,979.05
  5. Step 5: Solve for x
    x = 6,362,979.05/3,429.45
  6. Step 6: Final answer
    x = 1,855.39

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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.