Home / 2,788.16-4,163.62-2,626.16

Finding the Fourth Proportional to 2,788.16, 4,163.62 and 2,626.16

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Solution

The fourth proportional to 2,788.16, 4,163.62 and 2,626.16 is: 3,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788.16 : 4,163.62 = 2,626.16 : x
  2. Step 2: Convert to fraction form
    2,788.16/4,163.62 = 2,626.16/x
  3. Step 3: Cross multiply
    2,788.16x = 4,163.62 × 2,626.16
  4. Step 4: Simplify right side
    2,788.16x = 10,934,332.30
  5. Step 5: Solve for x
    x = 10,934,332.30/2,788.16
  6. Step 6: Final answer
    x = 3,921.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.