Home / 2,806.40-4,203.48-2,313.92

Finding the Fourth Proportional to 2,806.40, 4,203.48 and 2,313.92

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Solution

The fourth proportional to 2,806.40, 4,203.48 and 2,313.92 is: 3,465.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.40 : 4,203.48 = 2,313.92 : x
  2. Step 2: Convert to fraction form
    2,806.40/4,203.48 = 2,313.92/x
  3. Step 3: Cross multiply
    2,806.40x = 4,203.48 × 2,313.92
  4. Step 4: Simplify right side
    2,806.40x = 9,726,516.44
  5. Step 5: Solve for x
    x = 9,726,516.44/2,806.40
  6. Step 6: Final answer
    x = 3,465.83

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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.