Home / 2,797.77-4,188.56-2,107.35

Finding the Fourth Proportional to 2,797.77, 4,188.56 and 2,107.35

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Solution

The fourth proportional to 2,797.77, 4,188.56 and 2,107.35 is: 3,154.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.77 : 4,188.56 = 2,107.35 : x
  2. Step 2: Convert to fraction form
    2,797.77/4,188.56 = 2,107.35/x
  3. Step 3: Cross multiply
    2,797.77x = 4,188.56 × 2,107.35
  4. Step 4: Simplify right side
    2,797.77x = 8,826,763.23
  5. Step 5: Solve for x
    x = 8,826,763.23/2,797.77
  6. Step 6: Final answer
    x = 3,154.92

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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.