Home / 2,510.12-3,765.31-1,047.80

Finding the Fourth Proportional to 2,510.12, 3,765.31 and 1,047.80

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Solution

The fourth proportional to 2,510.12, 3,765.31 and 1,047.80 is: 1,571.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,510.12 : 3,765.31 = 1,047.80 : x
  2. Step 2: Convert to fraction form
    2,510.12/3,765.31 = 1,047.80/x
  3. Step 3: Cross multiply
    2,510.12x = 3,765.31 × 1,047.80
  4. Step 4: Simplify right side
    2,510.12x = 3,945,270.37
  5. Step 5: Solve for x
    x = 3,945,270.37/2,510.12
  6. Step 6: Final answer
    x = 1,571.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.