Home / 3,340.11-5,011.32-1,260.71

Finding the Fourth Proportional to 3,340.11, 5,011.32 and 1,260.71

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Solution

The fourth proportional to 3,340.11, 5,011.32 and 1,260.71 is: 1,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.11 : 5,011.32 = 1,260.71 : x
  2. Step 2: Convert to fraction form
    3,340.11/5,011.32 = 1,260.71/x
  3. Step 3: Cross multiply
    3,340.11x = 5,011.32 × 1,260.71
  4. Step 4: Simplify right side
    3,340.11x = 6,317,821.24
  5. Step 5: Solve for x
    x = 6,317,821.24/3,340.11
  6. Step 6: Final answer
    x = 1,891.50

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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.