Home / 2,760.87-3,810.06-1,765.92

Finding the Fourth Proportional to 2,760.87, 3,810.06 and 1,765.92

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Solution

The fourth proportional to 2,760.87, 3,810.06 and 1,765.92 is: 2,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.87 : 3,810.06 = 1,765.92 : x
  2. Step 2: Convert to fraction form
    2,760.87/3,810.06 = 1,765.92/x
  3. Step 3: Cross multiply
    2,760.87x = 3,810.06 × 1,765.92
  4. Step 4: Simplify right side
    2,760.87x = 6,728,261.16
  5. Step 5: Solve for x
    x = 6,728,261.16/2,760.87
  6. Step 6: Final answer
    x = 2,437.01

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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.