Home / 2,767.26-3,817.14-1,647.45

Finding the Fourth Proportional to 2,767.26, 3,817.14 and 1,647.45

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Solution

The fourth proportional to 2,767.26, 3,817.14 and 1,647.45 is: 2,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.26 : 3,817.14 = 1,647.45 : x
  2. Step 2: Convert to fraction form
    2,767.26/3,817.14 = 1,647.45/x
  3. Step 3: Cross multiply
    2,767.26x = 3,817.14 × 1,647.45
  4. Step 4: Simplify right side
    2,767.26x = 6,288,547.29
  5. Step 5: Solve for x
    x = 6,288,547.29/2,767.26
  6. Step 6: Final answer
    x = 2,272.48

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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.