Home / 2,738.30-3,777.53-2,632.20

Finding the Fourth Proportional to 2,738.30, 3,777.53 and 2,632.20

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Solution

The fourth proportional to 2,738.30, 3,777.53 and 2,632.20 is: 3,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.30 : 3,777.53 = 2,632.20 : x
  2. Step 2: Convert to fraction form
    2,738.30/3,777.53 = 2,632.20/x
  3. Step 3: Cross multiply
    2,738.30x = 3,777.53 × 2,632.20
  4. Step 4: Simplify right side
    2,738.30x = 9,943,201.31
  5. Step 5: Solve for x
    x = 9,943,201.31/2,738.30
  6. Step 6: Final answer
    x = 3,631.17

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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.