Home / 2,760.26-3,810.38-1,641.56

Finding the Fourth Proportional to 2,760.26, 3,810.38 and 1,641.56

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Solution

The fourth proportional to 2,760.26, 3,810.38 and 1,641.56 is: 2,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.26 : 3,810.38 = 1,641.56 : x
  2. Step 2: Convert to fraction form
    2,760.26/3,810.38 = 1,641.56/x
  3. Step 3: Cross multiply
    2,760.26x = 3,810.38 × 1,641.56
  4. Step 4: Simplify right side
    2,760.26x = 6,254,967.39
  5. Step 5: Solve for x
    x = 6,254,967.39/2,760.26
  6. Step 6: Final answer
    x = 2,266.08

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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.