Home / 3,140.57-4,711.01-1,192.92

Finding the Fourth Proportional to 3,140.57, 4,711.01 and 1,192.92

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Solution

The fourth proportional to 3,140.57, 4,711.01 and 1,192.92 is: 1,789.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140.57 : 4,711.01 = 1,192.92 : x
  2. Step 2: Convert to fraction form
    3,140.57/4,711.01 = 1,192.92/x
  3. Step 3: Cross multiply
    3,140.57x = 4,711.01 × 1,192.92
  4. Step 4: Simplify right side
    3,140.57x = 5,619,852.08
  5. Step 5: Solve for x
    x = 5,619,852.08/3,140.57
  6. Step 6: Final answer
    x = 1,789.44

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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.