Home / 2,777.14-4,166.30-1,045.75

Finding the Fourth Proportional to 2,777.14, 4,166.30 and 1,045.75

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Solution

The fourth proportional to 2,777.14, 4,166.30 and 1,045.75 is: 1,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.14 : 4,166.30 = 1,045.75 : x
  2. Step 2: Convert to fraction form
    2,777.14/4,166.30 = 1,045.75/x
  3. Step 3: Cross multiply
    2,777.14x = 4,166.30 × 1,045.75
  4. Step 4: Simplify right side
    2,777.14x = 4,356,903.00
  5. Step 5: Solve for x
    x = 4,356,903.00/2,777.14
  6. Step 6: Final answer
    x = 1,568.85

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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.