Home / 2,767.20-3,814.16-2,242.32

Finding the Fourth Proportional to 2,767.20, 3,814.16 and 2,242.32

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Solution

The fourth proportional to 2,767.20, 3,814.16 and 2,242.32 is: 3,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.20 : 3,814.16 = 2,242.32 : x
  2. Step 2: Convert to fraction form
    2,767.20/3,814.16 = 2,242.32/x
  3. Step 3: Cross multiply
    2,767.20x = 3,814.16 × 2,242.32
  4. Step 4: Simplify right side
    2,767.20x = 8,552,567.25
  5. Step 5: Solve for x
    x = 8,552,567.25/2,767.20
  6. Step 6: Final answer
    x = 3,090.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.