Home / 2,772.02-3,805.38-2,378.36

Finding the Fourth Proportional to 2,772.02, 3,805.38 and 2,378.36

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Solution

The fourth proportional to 2,772.02, 3,805.38 and 2,378.36 is: 3,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.02 : 3,805.38 = 2,378.36 : x
  2. Step 2: Convert to fraction form
    2,772.02/3,805.38 = 2,378.36/x
  3. Step 3: Cross multiply
    2,772.02x = 3,805.38 × 2,378.36
  4. Step 4: Simplify right side
    2,772.02x = 9,050,573.09
  5. Step 5: Solve for x
    x = 9,050,573.09/2,772.02
  6. Step 6: Final answer
    x = 3,264.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.