Home / 2,767.15-3,816.92-1,647.25

Finding the Fourth Proportional to 2,767.15, 3,816.92 and 1,647.25

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Solution

The fourth proportional to 2,767.15, 3,816.92 and 1,647.25 is: 2,272.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.15 : 3,816.92 = 1,647.25 : x
  2. Step 2: Convert to fraction form
    2,767.15/3,816.92 = 1,647.25/x
  3. Step 3: Cross multiply
    2,767.15x = 3,816.92 × 1,647.25
  4. Step 4: Simplify right side
    2,767.15x = 6,287,421.47
  5. Step 5: Solve for x
    x = 6,287,421.47/2,767.15
  6. Step 6: Final answer
    x = 2,272.17

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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.